Heavy

characterized by effort to the point of exhaustion; especially physical effort

lacking lightness or liveliness

slow and laborious because of weight

of great gravity or crucial import; requiring serious thought

requiring or showing effort

full of; bearing great weight

prodigious

darkened by clouds

(used of soil) compact and fine-grained

permitting little if any light to pass through because of denseness of matter

full and loud and deep

(of sleep) deep and complete

large and powerful; especially designed for heavy loads or rough work

marked by great psychological weight; weighted down especially with sadness or troubles or weariness

of comparatively great physical weight or density

of great intensity or power or force

unusually great in degree or quantity or number

dense or inadequately leavened and hence likely to cause distress in the alimentary canal

made of fabric having considerable thickness

(of an actor or role) being or playing the villain

of relatively large extent and density

(physics, chemistry) being or containing an isotope with greater than average atomic mass or weight

sharply inclined

in an advanced stage of pregnancy

usually describes a large person who is fat but has a large frame to carry it

given to excessive indulgence of bodily appetites especially for intoxicating liquors

an actor who plays villainous roles

a serious (or tragic) role in a play

slowly as if burdened by much weight

of the military or industry; using (or being) the heaviest and most powerful armaments or weapons or equipment