Strain

(psychology) nervousness resulting from mental stress

difficulty that causes worry or emotional tension

(biology) a group of organisms within a species that differ in trivial ways from similar groups

a special variety of domesticated animals within a species

an intense or violent exertion

a succession of notes forming a distinctive sequence

the act of singing

the general meaning or substance of an utterance

an effortful attempt to attain a goal

injury to a muscle (often caused by overuse); results in swelling and pain

(physics) deformation of a physical body under the action of applied forces

become stretched or tense or taut

use to the utmost; exert vigorously or to full capacity

to exert much effort or energy

cause to be tense and uneasy or nervous or anxious

test the limits of

remove by passing through a filter

separate by passing through a sieve or other straining device to separate out coarser elements

rub through a strainer or process in an electric blender

alter the shape of (something) by stress