13-letter words containing B
Embark on an exploration of 13-letter words that contain the letter B. This segment uncovers the diverse range of words that incorporate B within this specific length, revealing the versatility and richness of language. Ideal for vocabulary enthusiasts and word-game aficionados.
| Word | Points | Definition | Sentence example |
|---|---|---|---|
| uncomfortable | 22 | conducive to or feeling mental discomfort | this kind of life can prove disruptive and uncomfortable |
| neighbourhood | 23 | a surrounding or nearby region | - |
| irresponsible | 17 | showing lack of care for consequences | behaved like an irresponsible idiot |
| establishment | 20 | the persons (or committees or departments etc.) who make up a body for the purpose of administering something | he quickly became recognized as a member of the establishment |
| embarrassment | 19 | extreme excess | an embarrassment of riches |
| unpredictable | 20 | not occurring at a regular rate or fixed intervals | - |
| unforgettable | 19 | impossible to forget | - |
| collaboration | 17 | act of cooperating traitorously with an enemy that is occupying your country | - |
| globalization | 25 | growth to a global or worldwide scale | the globalization of the communication industry |
| knowledgeable | 24 | highly educated; having extensive information or understanding | a knowledgeable critic |
| indispensable | 18 | absolutely necessary; vitally necessary | an indispensable worker |
| vulnerability | 21 | the state of being vulnerable or exposed | his vulnerability to litigation |
| irreplaceable | 19 | impossible to replace | irreplaceable antiques |
| inconceivable | 22 | totally unlikely | - |
| heartbreaking | 23 | causing or marked by grief or anguish | her sigh was heartbreaking |
| autobiography | 24 | a biography of yourself | - |
| collaborating | 18 | - | - |
| impossibility | 22 | an alternative that is not available | - |
| indescribable | 20 | defying expression or description | indescribable beauty |
| rehabilitated | 19 | - | - |
| substantially | 18 | to a great extent or degree | painting the room white made it seem considerably (or substantially) larger |
| skateboarding | 21 | the sport of skating on a skateboard | - |
| defibrillator | 19 | an electronic device that administers an electric shock of preset voltage to the heart through the chest wall in an attempt to restore the normal rhythm of the heart during ventricular fibrillation | - |
| businesswoman | 20 | a female businessperson | - |
| reprehensible | 20 | bringing or deserving severe rebuke or censure | adultery is as reprehensible for a husband as for a wife |
| unexplainable | 24 | not to be accounted for or explained | an unexplainable fear |
| compatibility | 24 | a feeling of sympathetic understanding | - |
| unforeseeable | 18 | incapable of being anticipated | unforeseeable consequences |
| reimbursement | 19 | compensation paid (to someone) for damages or losses or money already spent etc. | he received reimbursement for his travel expenses |
| globalisation | 16 | growth to a global or worldwide scale | - |
| uninhabitable | 20 | not fit for habitation | - |
| butterfingers | 19 | someone who drops things (especially one who cannot catch a ball) | - |
| exhibitionist | 25 | someone who deliberately behaves in such a way as to attract attention | - |
| inexhaustible | 25 | that cannot be entirely consumed or used up | an inexhaustible supply of coal |
| brainstorming | 18 | a group problem-solving technique in which members spontaneously share ideas and solutions | we had an intense brainstorming session today |
| dishonourable | 19 | lacking honor or integrity; deserving dishonor | - |
| flabbergasted | 22 | as if struck dumb with astonishment and surprise | the flabbergasted aldermen were speechless |
| collaborative | 20 | accomplished by collaboration | collaborative research |
| corroboration | 17 | confirmation that some fact or statement is true through the use of documentary evidence | - |
| incorruptible | 19 | incapable of being morally corrupted | incorruptible judges are the backbone of the society |
| insubordinate | 16 | disposed to or engaged in defiance of established authority | - |
| dismemberment | 22 | the removal of limbs; being cut to pieces | - |
| chateaubriand | 21 | French statesman and writer; considered a precursor of the romantic movement in France (1768-1848) | - |
| bouillabaisse | 17 | highly seasoned Mediterranean soup or stew made of several kinds of fish and shellfish with tomatoes and onions or leeks and seasoned with saffron and garlic and herbs | - |
| uncomfortably | 25 | in physical discomfort | she lay on the couch, her body uncomfortably twisted |
| stabilization | 24 | the act of making something (as a vessel or aircraft) less likely to overturn | - |
| irresponsibly | 20 | in an irresponsible manner | he acted irresponsibly |
| unmentionable | 17 | a garment worn under other garments | - |
| unfashionable | 21 | not in accord with or not following current fashion | unfashionable clothes |
| objectionable | 26 | liable to objection or debate; used of something one might take exception to | found the politician's views objectionable |
| corroborating | 18 | - | - |
| beneficiaries | 20 | - | - |
| biotechnology | 24 | the branch of engineering science in which biological science is used to study the relation between workers and their environments | - |
| brokenhearted | 23 | full of sorrow | - |
| exhibitionism | 27 | the perverse act of exposing and attracting attention to your own genitals | - |
| imperceptible | 23 | impossible or difficult to perceive by the mind or senses | an imperceptible drop in temperature |
| imperceptibly | 26 | in an imperceptible manner or to an imperceptible degree | the power of the Secretary of State in London increased gradually but imperceptibly |
| irrepressible | 17 | impossible to repress or control | an irrepressible chatterbox |
| antibacterial | 17 | any drug that destroys bacteria or inhibits their growth | - |
| biodegradable | 20 | capable of being decomposed by e.g. bacteria | a biodegradable detergent |
| refurbishment | 23 | the state of being restored to its former good condition | - |
| subordination | 16 | the semantic relation of being subordinate or belonging to a lower rank or class | - |
| indefatigable | 20 | showing sustained enthusiastic action with unflagging vitality | an indefatigable advocate of equal rights |
| invincibility | 23 | the property being difficult or impossible to defeat | - |
| knickerbocker | 31 | - | - |
| unsustainable | 15 | - | - |
| reverberating | 19 | characterized by resonance | - |
| stabilisation | 15 | the act of making something (as a vessel or aircraft) less likely to overturn | - |
| embellishment | 22 | elaboration of an interpretation by the use of decorative (sometimes fictitious) detail | the mystery has been heightened by many embellishments in subsequent retellings |
| phenobarbital | 22 | a long-acting barbiturate used as a sedative | - |
| subcontractor | 19 | someone who enters into a subcontract with the primary contractor | - |
| hybridization | 31 | (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids | - |
| inevitability | 21 | the quality of being unavoidable | - |
| nonnegotiable | 16 | - | - |
| cannibalistic | 19 | characteristic of cannibals or exhibiting cannibalism | cannibalistic behavior |
| unconquerable | 26 | incapable of being surmounted or excelled | - |
| insubstantial | 15 | lacking material form or substance; unreal | as insubstantial as a dream |
| arbitrariness | 15 | the trait of acting unpredictably and more from whim or caprice than from reason or judgment | - |
| dependability | 22 | the quality of being dependable or reliable | - |
| boardinghouse | 20 | a private house that provides accommodations and meals for paying guests | - |
| bloodcurdling | 20 | extremely alarming | - |
| accessibility | 22 | the quality of being at hand when needed | - |
| unimpeachable | 24 | completely acceptable; not open to exception or reproach | - |
| profitability | 23 | the quality of affording gain or benefit or profit | - |
| substantiated | 16 | - | - |
| swashbuckling | 28 | flamboyantly adventurous | - |
| infallibility | 21 | the quality of never making an error | - |
| insupportable | 19 | incapable of being justified or explained | - |
| circumscribed | 24 | subject to limits or subjected to limits | - |
| disembowelled | 22 | - | - |
| bougainvillea | 19 | any of several South American ornamental woody vines of the genus Bougainvillea having brilliant red or purple flower bracts; widely grown in warm regions | - |
| unaccountable | 19 | not to be accounted for or explained | perceptible only as unaccountable influences that hinder progress |
| unobtrusively | 21 | in an unobtrusive manner | messengers were moving unobtrusively over the jet-black mountain ranges, bearing confidential tidings from sheikhdom to sheikhdom |
| polycarbonate | 22 | - | - |
| transmittable | 17 | (of disease) capable of being transmitted by infection | - |
| housebreaking | 23 | trespassing for an unlawful purpose; illegal entrance into premises with criminal intent | - |
| observational | 18 | relying on observation or experiment | - |
| alphabetizing | 30 | - | - |
| arachnophobia | 25 | a morbid fear of spiders | - |
| beatification | 20 | a state of supreme happiness | - |
| baccalaureate | 19 | an academic degree conferred on someone who has successfully completed undergraduate studies | - |
| carboniferous | 20 | from 345 million to 280 million years ago | - |
| unpresentable | 17 | creating an unfavorable or neutral first impression | - |
| unembarrassed | 18 | not embarrassed | an unembarrassed greeting as if nothing untoward had happened |
| unjustifiable | 25 | incapable of being justified or explained | - |
| redistributed | 17 | having population and industries relocated from urban to outlying areas | redistributed industries |
| rollerblading | 17 | skating using Rollerblades | - |
| overabundance | 21 | a quantity that is more than what is appropriate | four-year-olds have an overabundance of energy |
| inflexibility | 28 | a lack of physical flexibility | - |
| irretrievable | 18 | impossible to recover or recoup or overcome | an irretrievable loss |
| cyanobacteria | 22 | predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton | - |
| businesswomen | 20 | - | - |
| troublemaking | 22 | - | - |
| unaccountably | 22 | in an unaccountable manner | in the book, a tycoon unaccountably becomes the hero's friend |
| problematical | 21 | making great mental demands; hard to comprehend or solve or believe | - |
| incontestable | 17 | incapable of being contested or disputed | - |
| indescribably | 23 | to an inexpressible degree | she was looking very young tonight, and, as usual, indescribably beautiful, in a simple strapless dress of a green and white silky cotton |
| interbreeding | 17 | reproduction by parents of different races (especially by white and non-white persons) | - |
| cannibalizing | 27 | - | - |
| acceptability | 24 | satisfactoriness by virtue of conforming to approved standards | - |
| unambiguously | 21 | so as to be unique | - |
| unpredictably | 23 | in an erratic unpredictable manner | - |
| unsubstantial | 15 | lacking material form or substance; unreal | - |
| unreliability | 18 | the trait of not being dependable or reliable | - |
| unrecoverable | 20 | incapable of being recovered or regained | - |
| unjustifiably | 28 | without any excuse | he is unjustifiably harsh on her |
| unsurpassable | 17 | not to be exceeded | unsurpassable skill |
| probabilistic | 21 | of or relating to the Roman Catholic philosophy of probabilism | - |
| recombination | 19 | (genetics) a combining of genes or characters different from what they were in the parents | - |
| survivability | 24 | - | - |
| transmissible | 17 | (of disease) capable of being transmitted by infection | - |
| intangibility | 19 | the quality of being intangible and not perceptible by touch | - |
| librarianship | 20 | the position of librarian | - |
| neoliberalism | 17 | a political orientation originating in the 1960s; blends liberal political views with an emphasis on economic growth | - |
| obsessiveness | 18 | extreme compulsiveness | - |
| embarrassedly | 21 | - | - |
| admissibility | 21 | acceptability by virtue of being admissible | - |
| brachiosaurus | 20 | - | - |
| blandishments | 21 | - | - |
| unmistakeable | 21 | - | - |
| unsalvageable | 19 | - | - |
| unfashionably | 24 | in an unfashionable manner | she seemed to make a point of being unfashionably dressed |
| unsupportable | 19 | not able to be supported or defended | - |
| perambulating | 20 | strolling or walking around | perambulating nursemaids with their charges |
| prohibitively | 26 | to a prohibitive degree | it is prohibitively expensive |
| reverberation | 18 | the repetition of a sound resulting from reflection of the sound waves | - |
| scatterbrains | 17 | - | - |
| superabundant | 18 | most excessively abundant | - |
| symbiotically | 25 | in a symbiotic manner | - |
| impassability | 22 | - | - |
| insatiability | 18 | - | - |
| incontestably | 20 | - | - |
| intracerebral | 17 | within the brain | - |
| metabolically | 22 | involving metabolism | metabolically important substances |
| objectiveness | 27 | judgment based on observable phenomena and uninfluenced by emotions or personal prejudices | - |
| obnoxiousness | 22 | the quality of being hateful | - |
| ambassadorial | 18 | of or relating to or characteristic of ambassadors | - |
| antisubmarine | 17 | defensive against enemy submarines | - |
| cerebrospinal | 19 | of or relating to the brain and spinal cord | cerebrospinal fluid |
| creditability | 21 | - | - |
| defibrillated | 20 | - | - |
| dishonourably | 22 | in a dishonorable manner or to a dishonorable degree | - |
| belligerently | 19 | with hostility; in a belligerent hostile manner | he pushed her against the wall belligerently |
| biometrically | 22 | - | - |
| bioelectrical | 19 | - | - |
| brinksmanship | 26 | - | - |
| livebloggings | 21 | - | - |
| likeabilities | 19 | - | - |
| intraversable | 18 | - | - |
| microbloggers | 21 | - | - |
| microblogging | 22 | - | - |
| honourability | 21 | - | - |
| humblebragged | 25 | - | - |
| hardscrabbles | 23 | - | - |
| hyperbolaeons | 23 | - | - |
| hypnobirthing | 27 | - | - |
| interblending | 17 | - | - |
| incumbrancers | 21 | - | - |
| inelaborating | 16 | - | - |
| obstructingly | 21 | - | - |
| paintballings | 18 | - | - |
| neighborliest | 19 | - | - |
| neighbourlier | 19 | - | - |
| muttonbirders | 18 | - | - |
| nonindictable | 18 | - | - |
| cerebrotonics | 19 | - | - |
| crossbarrings | 18 | - | - |
| bobsleighings | 22 | - | - |
| colorableness | 17 | - | - |
| comorbidities | 20 | - | - |
| celibatarians | 17 | - | - |
| antidiabetics | 18 | - | - |
| arachnophobic | 27 | - | - |
| analysability | 21 | - | - |
| anglophobiacs | 23 | - | - |
| boilermakings | 22 | - | - |
| braggartliest | 17 | - | - |
| brilliantined | 16 | - | - |
| bumbleberries | 21 | - | - |
| bushfightings | 26 | - | - |
| butterflyfish | 27 | tropical fish with huge fanlike pectoral fins for underwater gliding; unrelated to searobins | - |
| cardboardiest | 19 | - | - |
| bodysnatchers | 24 | - | - |
| bloodguiltier | 17 | - | - |
| backflippings | 29 | - | - |
| backstartings | 22 | - | - |
| backwoodsiest | 25 | - | - |
| bellyflopping | 26 | - | - |
| birdwatchings | 25 | - | - |
| blamestorming | 20 | - | - |
| blameworthier | 23 | - | - |
| acinetobacter | 19 | - | - |
| embryotically | 25 | - | - |
| fussbudgetier | 20 | - | - |
| fibreglassing | 20 | - | - |
| filtrableness | 18 | - | - |
| cyberbullying | 26 | - | - |
| cyberchondria | 26 | - | - |
| cyberstalkers | 24 | - | - |
| cyberstalking | 25 | - | - |
| daughterboard | 21 | - | - |
| dissyllabisms | 21 | - | - |
| stonebreakers | 19 | - | - |
| subarachnoids | 21 | - | - |
| subchartering | 21 | - | - |
| subsidiariats | 16 | - | - |
| suboperculums | 21 | - | - |
| subministered | 18 | - | - |
| submillimetre | 19 | - | - |
| unsearchables | 20 | - | - |
| unrecyclables | 22 | - | - |
| unobservables | 20 | - | - |
| unsubscribers | 19 | - | - |
| unsustainably | 18 | - | - |
| whataboutisms | 23 | - | - |
| waterboarding | 20 | - | - |
| unequivocable | 29 | - | - |
| uncollectable | 19 | - | - |
| psychobabbled | 30 | - | - |
| photoblogging | 23 | - | - |
| postpuberties | 19 | - | - |
| reverbatories | 18 | - | - |
| shambolically | 25 | in a shambolic manner | - |
| slumbrousness | 17 | - | - |
| semibasements | 19 | - | - |
| seasonability | 18 | - | - |
| scrapbookings | 24 | - | - |
| whistleblower | 24 | an informant who exposes wrongdoing within an organization in the hope of stopping it | the law gives little protection to whistleblowers who feel the public has a right to know what is going on |
| subdistricted | 19 | - | - |
| overabstracts | 20 | - | - |
| nonobligatory | 19 | not required by rule or law | - |
| antiobesities | 15 | - | - |
| counterbidden | 19 | - | - |
| nonabsorbents | 17 | - | - |
| disinhibitors | 19 | - | - |
| cybercitizens | 31 | - | - |
| cyberattacker | 26 | - | - |
| hypervariable | 26 | - | - |
| backslappings | 26 | - | - |
| backstraights | 25 | - | - |
| bacteriocidal | 20 | - | - |
| brittlebushes | 20 | - | - |
| bronchiolites | 20 | - | - |
| bulbophyllums | 27 | - | - |
| categorizable | 27 | - | - |
| breastfeeders | 19 | - | - |
| bootstrappers | 19 | - | - |
| bioterrorists | 15 | - | - |
| bacteriocides | 20 | - | - |
| basketballers | 21 | - | - |
| beautyberries | 20 | - | - |
| biobehavioral | 23 | - | - |
| bioequivalent | 27 | - | - |
| bioinformatic | 22 | - | - |
| bioprospected | 22 | - | - |
| bioprospector | 21 | - | - |
| biorefineries | 18 | - | - |
| biosecurities | 17 | - | - |
| bioterrorisms | 17 | - | - |
| roadbuildings | 18 | - | - |
| problematizes | 28 | - | - |
| preassemblies | 19 | - | - |
| problematized | 29 | - | - |
| recyclability | 25 | - | - |
| unforeseeably | 21 | - | - |
| unexplainably | 27 | - | - |
| unreturnables | 15 | - | - |
| unserviceably | 23 | - | - |
| unsalvageably | 22 | - | - |
| uncombatively | 25 | - | - |
| springboarded | 20 | - | - |
| semiabstracts | 19 | - | - |
| searchability | 23 | - | - |
| suballocating | 18 | - | - |
| unassimilably | 20 | - | - |
| tautosyllabic | 20 | - | - |
| multiproblems | 21 | - | - |
| nonbusinesses | 15 | - | - |
| nonbroadcasts | 18 | - | - |
| nonbreakables | 21 | - | - |
| multibillions | 17 | - | - |
| interorbitals | 15 | - | - |
| interbranches | 20 | - | - |
| interboroughs | 19 | - | - |
| kiteboardings | 21 | - | - |
| ombudspersons | 20 | - | - |
| nonflammables | 22 | - | - |
| nondurability | 19 | - | - |
| nonsubscriber | 19 | - | - |
| nonrenewables | 18 | - | - |
| nonobjectives | 27 | - | - |
| unconcealable | 19 | - | - |
| unconceivable | 22 | - | - |
| unconceivably | 25 | - | - |
| uncollectible | 19 | not capable of being collected | a bad (or uncollectible) debt |
| uncommendable | 22 | - | - |
| uncommendably | 25 | - | - |
| unconformable | 22 | not correspondent | a description unconformable to previous accounts |
| unconformably | 25 | - | - |
| uncontainable | 17 | - | - |
| uncontestable | 17 | - | - |
| unconquerably | 29 | - | - |
| unconversable | 20 | - | - |
| unassimilable | 17 | - | - |
| unblessedness | 16 | - | - |
| unblindfolded | 21 | - | - |
| unboundedness | 17 | the quality of being infinite; without bound or limit | - |
| unbowdlerised | 20 | - | - |
| unbowdlerized | 29 | - | - |
| unbridledness | 17 | - | - |
| unbrotherlike | 22 | - | - |
| unbiassedness | 16 | - | - |
| unbeseemingly | 21 | - | - |
| unassuageable | 16 | - | - |
| unbarricading | 19 | - | - |
| unbeautifully | 21 | - | - |
| unbelievingly | 22 | in an incredulous manner | - |
| unbelligerent | 16 | - | - |
| unbendingness | 17 | - | - |
| unchastizable | 29 | - | - |
| unchastisable | 20 | - | - |
| unconvertible | 20 | used especially of currencies; incapable of being exchanged for or replaced by another currency of equal value | - |
| underbearings | 17 | - | - |
| underblankets | 20 | - | - |
| underbreeding | 18 | - | - |
| undeliverable | 19 | - | - |
| uncorrectable | 19 | incapable of being controlled or managed | an uncorrectable habit |
| underbrushing | 20 | - | - |
| underbudgeted | 19 | - | - |
| underbuilders | 17 | - | - |
| underbuilding | 18 | - | - |
| underclubbing | 21 | - | - |
| troublemakers | 21 | - | - |
| troubleshoots | 18 | - | - |
| troublesomely | 20 | - | - |
| troublousness | 15 | - | - |
| trustbustings | 16 | - | - |
| trolleybusses | 18 | - | - |
| trophoblastic | 22 | of or relating to the trophoblast | trophoblastic cancer |
| tuberculously | 20 | - | - |
| tubocurarines | 17 | - | - |
| tubuliflorous | 18 | - | - |
| tuberculomata | 19 | - | - |
| tuberculizing | 27 | - | - |
| tuberculately | 20 | - | - |
| tuberculation | 17 | - | - |
| tuberculising | 18 | - | - |
| tunablenesses | 15 | - | - |
| trisyllabical | 20 | - | - |
| tritubercular | 17 | - | - |
| triploblastic | 19 | - | - |
| umbelliferous | 20 | relating to or belonging to plants of the family Umbelliferae | - |
| umbilications | 19 | - | - |
| umbraculiform | 24 | - | - |
| unabbreviated | 21 | - | - |
| ultrawideband | 20 | - | - |
| ultrareliable | 15 | - | - |
| unambitiously | 20 | in an unambitious manner | he does his job, but he works unambitiously |
| unamiableness | 17 | - | - |
| turbellarians | 15 | - | - |
| turbidimeters | 18 | - | - |
| turbidimetric | 20 | - | - |
| turbochargers | 21 | - | - |
| turbocharging | 22 | - | - |
| turboelectric | 19 | - | - |
| ultraliberals | 15 | - | - |
| ubiquitarians | 24 | - | - |
| unperformable | 22 | - | - |
| unpracticable | 21 | - | - |
| unpolarizable | 26 | - | - |
| unpersuadable | 18 | not susceptible to persuasion | - |
| unpleasurable | 17 | - | - |
| unpleasurably | 20 | - | - |
| unpolarisable | 17 | - | - |
| unpreventable | 20 | not preventable | unpreventable hysteria |
| unproblematic | 21 | easy and not involved or complicated | - |
| unreadability | 19 | - | - |
| unreclaimable | 19 | - | - |
| unreclaimably | 22 | - | - |
| unqualifiable | 27 | - | - |
| unputdownable | 21 | - | - |
| unpublishable | 22 | not suitable for publication | - |
| unpurchasable | 22 | - | - |
| unmistakeably | 24 | - | - |
| unmedicinable | 20 | - | - |
| unmentionably | 20 | - | - |
| unmetabolised | 18 | - | - |
| unmetabolized | 27 | - | - |
| unperceivable | 22 | impossible or difficult to perceive by the mind or senses | color is unperceivable to the touch |
| unperceivably | 25 | - | - |
| unneighboured | 20 | - | - |
| unneighbourly | 22 | not exhibiting the qualities expected in a friendly neighbor | - |
| unobservances | 20 | - | - |
| unobstructive | 20 | - | - |
| unserviceable | 20 | not capable of being used | - |
| unsmotherable | 20 | - | - |
| unsociability | 20 | an unsociable disposition; avoiding friendship or companionship | - |
| unstaunchable | 20 | - | - |
| unsubscribing | 20 | - | - |
| unsuitability | 18 | the quality of having the wrong properties for a specific purpose | - |
| unspecifiable | 22 | - | - |
| unremembering | 20 | - | - |
| unrecoverably | 23 | - | - |
| unreplaceable | 19 | impossible to replace | - |
| unsaleability | 18 | - | - |
| unsatisfiable | 18 | not capable of being satisfied | he knew the trap of unsatisfiable longing |
| unreprievable | 20 | - | - |
| unrespectable | 19 | unworthy of respect | - |
| unscabbarding | 21 | - | - |
| unemployables | 22 | - | - |
| unenforceable | 20 | not enforceable; not capable of being brought about by compulsion | an unenforceable law |
| unequivocably | 32 | - | - |
| unembellished | 21 | lacking embellishment or ornamentation | unembellished white walls |
| uneatableness | 15 | - | - |
| unestablished | 19 | not established | a reputation as yet unestablished |
| unfalsifiable | 21 | - | - |
| unexpressible | 24 | defying expression | - |
| undescendable | 19 | - | - |
| undescendible | 19 | - | - |
| undescribable | 20 | - | - |
| undiagnosable | 17 | not possible to diagnose | - |
| undistributed | 17 | (of investments) not distributed among a variety of securities | - |
| undisturbedly | 20 | - | - |
| undisguisable | 17 | - | - |
| undiscussible | 18 | - | - |
| undiscernible | 18 | - | - |
| undiscernibly | 21 | - | - |
| undiscussable | 18 | - | - |
| unimpressible | 19 | - | - |
| uninflammable | 22 | - | - |
| uninforceable | 20 | - | - |
| uninhibitedly | 22 | - | - |
| unknowability | 25 | - | - |
| unfulfillable | 21 | - | - |
| ungainsayable | 19 | - | - |
| unforgettably | 22 | in a memorable manner | - |
| unimpeachably | 27 | without question | they hired unimpeachably first-rate faculty members |
| violabilities | 18 | - | - |
| vincibilities | 20 | - | - |
| vindicability | 24 | - | - |
| visiblenesses | 18 | - | - |
| verslibristes | 18 | - | - |
| vertebrations | 18 | - | - |
| versabilities | 18 | - | - |
| vibratiuncles | 20 | - | - |
| vibracularium | 22 | - | - |
| vibraharpists | 23 | - | - |
| vibraphonists | 23 | - | - |
| vibratilities | 18 | - | - |
| vibrationless | 18 | - | - |
| washabilities | 21 | - | - |
| wakeboardings | 24 | - | - |
| wearabilities | 18 | - | - |
| weatherboards | 22 | - | - |
| volatilisable | 18 | (used of substances) capable of being volatilized | - |
| volatilizable | 27 | (used of substances) capable of being volatilized | - |
| vocabularians | 20 | - | - |
| vraisemblance | 22 | - | - |
| volublenesses | 18 | - | - |
| upgradability | 22 | - | - |
| unworkability | 25 | - | - |
| utterableness | 15 | - | - |
| useablenesses | 15 | - | - |
| urbanisations | 15 | - | - |
| urbanizations | 24 | - | - |
| urbanologists | 16 | - | - |
| urobilinogens | 16 | - | - |
| vagabondising | 21 | - | - |
| unwhistleable | 21 | - | - |
| untamableness | 17 | - | - |
| untenableness | 15 | - | - |
| unsurpassably | 20 | - | - |
| unsusceptible | 19 | not susceptible to | - |
| unvitrifiable | 21 | - | - |
| unwarrantable | 18 | incapable of being justified or explained | - |
| unwarrantably | 21 | in an unwarrantable manner or to an unwarranted degree | in this painting, the relationship of the upper part of the body to the lower is uneasy and the right thigh seems unwarrantably stressed |
| untunableness | 15 | - | - |
| untraversable | 18 | incapable of being traversed | - |
| untremblingly | 21 | - | - |
| vendibilities | 19 | - | - |
