Quick definitions from WordNet (heavy)
▸ noun: a serious (or tragic) role in a play
▸ noun: an actor who plays villainous roles
▸ adjective: of great intensity or power or force ("A heavy blow")
▸ adjective: slow and laborious because of weight ("The heavy tread of tired troops")
▸ adjective: of the military or industry; using (or being) the heaviest and most powerful armaments or weapons or equipment ("Heavy artillery")
▸ adjective: full and loud and deep ("Heavy sounds")
▸ adjective: made of fabric having considerable thickness ("A heavy coat")
▸ adjective: having or suggesting a viscous consistency ("Heavy cream")
▸ adjective: (of an actor or role) being or playing the villain ("Iago is the heavy role in `Othello'")
▸ adjective: wide from side to side ("A heavy black mark")
▸ adjective: darkened by clouds ("A heavy sky")
▸ adjective: (of sleep) deep and complete ("A heavy sleep")
▸ adjective: lacking lightness or liveliness ("Heavy humor")
▸ adjective: requiring or showing effort ("Heavy breathing")
▸ adjective: full of; bearing great weight ("Trees heavy with fruit")
▸ adjective: sharply inclined ("A heavy grade")
▸ adjective: dense or inadequately leavened and hence likely to cause distress in the alimentary canal ("A heavy pudding")
▸ adjective: of comparatively great physical weight or density ("A heavy load")
▸ adjective: large and powerful; especially designed for heavy loads or rough work ("A heavy truck")
▸ adjective: marked by great psychological weight; weighted down especially with sadness or troubles or weariness ("A heavy heart")
▸ adjective: unusually great in degree or quantity or number ("Heavy taxes")
▸ adjective: (physics, chemistry) being or containing an isotope with greater than average atomic mass or weight ("Heavy hydrogen")
▸ adjective: used of syllables or musical beats
▸ adjective: of a drinker or drinking; indulging intemperately ("A heavy drinker")
▸ adjective: permitting little if any light to pass through because of denseness of matter ("Heavy fog")
▸ adjective: usually describes a large person who is fat but has a large frame to carry it
▸ adjective: of great gravity or crucial import; requiring serious thought ("Heavy matters of state")
▸ adjective: (used of soil) compact and fine-grained ("The clayey soil was heavy and easily saturated")
▸ adjective: characterized by toilsome effort to the point of exhaustion; especially physical effort ("Heavy work")
▸ adverb: slowly as if burdened by much weight ("Time hung heavy on their hands")
▸ Also see heavy
▸ noun: a serious (or tragic) role in a play
▸ noun: an actor who plays villainous roles
▸ adjective: of great intensity or power or force ("A heavy blow")
▸ adjective: slow and laborious because of weight ("The heavy tread of tired troops")
▸ adjective: of the military or industry; using (or being) the heaviest and most powerful armaments or weapons or equipment ("Heavy artillery")
▸ adjective: full and loud and deep ("Heavy sounds")
▸ adjective: made of fabric having considerable thickness ("A heavy coat")
▸ adjective: having or suggesting a viscous consistency ("Heavy cream")
▸ adjective: (of an actor or role) being or playing the villain ("Iago is the heavy role in `Othello'")
▸ adjective: wide from side to side ("A heavy black mark")
▸ adjective: darkened by clouds ("A heavy sky")
▸ adjective: (of sleep) deep and complete ("A heavy sleep")
▸ adjective: lacking lightness or liveliness ("Heavy humor")
▸ adjective: requiring or showing effort ("Heavy breathing")
▸ adjective: full of; bearing great weight ("Trees heavy with fruit")
▸ adjective: sharply inclined ("A heavy grade")
▸ adjective: dense or inadequately leavened and hence likely to cause distress in the alimentary canal ("A heavy pudding")
▸ adjective: of comparatively great physical weight or density ("A heavy load")
▸ adjective: large and powerful; especially designed for heavy loads or rough work ("A heavy truck")
▸ adjective: marked by great psychological weight; weighted down especially with sadness or troubles or weariness ("A heavy heart")
▸ adjective: unusually great in degree or quantity or number ("Heavy taxes")
▸ adjective: (physics, chemistry) being or containing an isotope with greater than average atomic mass or weight ("Heavy hydrogen")
▸ adjective: used of syllables or musical beats
▸ adjective: of a drinker or drinking; indulging intemperately ("A heavy drinker")
▸ adjective: permitting little if any light to pass through because of denseness of matter ("Heavy fog")
▸ adjective: usually describes a large person who is fat but has a large frame to carry it
▸ adjective: of great gravity or crucial import; requiring serious thought ("Heavy matters of state")
▸ adjective: (used of soil) compact and fine-grained ("The clayey soil was heavy and easily saturated")
▸ adjective: characterized by toilsome effort to the point of exhaustion; especially physical effort ("Heavy work")
▸ adverb: slowly as if burdened by much weight ("Time hung heavy on their hands")
▸ Also see heavy