1. of comparatively great physical weight or density; - Example: "a heavy load" - Example: "lead is a heavy metal" - Example: "heavy mahogany furniture"
2. unusually great in degree or quantity or number; - Example: "heavy taxes" - Example: "a heavy fine" - Example: "heavy casualties" - Example: "heavy losses" - Example: "heavy rain" - Example: "heavy traffic"
3. of the military or industry; using (or being) the heaviest and most powerful armaments or weapons or equipment; - Example: "heavy artillery" - Example: "heavy infantry" - Example: "a heavy cruiser" - Example: "heavy guns" - Example: "heavy industry involves large-scale production of basic products (such as steel) used by other industries"
4. marked by great psychological weight; weighted down especially with sadness or troubles or weariness; - Example: "a heavy heart" - Example: "a heavy schedule" - Example: "heavy news" - Example: "a heavy silence" - Example: "heavy eyelids"
5. usually describes a large person who is fat but has a large frame to carry it; [syn: fleshy, heavy, overweight]
6. (used of soil) compact and fine-grained; - Example: "the clayey soil was heavy and easily saturated" [syn: clayey, cloggy, heavy]
8. of great intensity or power or force; - Example: "a heavy blow" - Example: "the fighting was heavy" - Example: "heavy seas"
9. (physics, chemistry) being or containing an isotope with greater than average atomic mass or weight; - Example: "heavy hydrogen" - Example: "heavy water"
10. (of an actor or role) being or playing the villain; - Example: "Iago is the heavy role in `Othello'"
11. permitting little if any light to pass through because of denseness of matter; - Example: "dense smoke" - Example: "heavy fog" - Example: "impenetrable gloom" [syn: dense, heavy, impenetrable]
12. of relatively large extent and density; - Example: "a heavy line"
13. made of fabric having considerable thickness; - Example: "a heavy coat"
15. full and loud and deep; - Example: "heavy sounds" - Example: "a herald chosen for his sonorous voice" [syn: heavy, sonorous]
16. given to excessive indulgence of bodily appetites especially for intoxicating liquors; - Example: "a hard drinker" [syn: intemperate, hard, heavy]
17. of great gravity or crucial import; requiring serious thought; - Example: "grave responsibilities" - Example: "faced a grave decision in a time of crisis" - Example: "a grievous fault" - Example: "heavy matters of state" - Example: "the weighty matters to be discussed at the peace conference" [syn: grave, grievous, heavy, weighty]
18. slow and laborious because of weight; - Example: "the heavy tread of tired troops" - Example: "moved with a lumbering sag-bellied trot" - Example: "ponderous prehistoric beasts" - Example: "a ponderous yawn" [syn: heavy, lumbering, ponderous]
19. large and powerful; especially designed for heavy loads or rough work; - Example: "a heavy truck" - Example: "heavy machinery"
20. dense or inadequately leavened and hence likely to cause distress in the alimentary canal; - Example: "a heavy pudding"
21. sharply inclined; - Example: "a heavy grade"
22. full of; bearing great weight; - Example: "trees heavy with fruit" - Example: "vines weighed down with grapes" [syn: heavy, weighed down]
23. requiring or showing effort; - Example: "heavy breathing" - Example: "the subject made for labored reading" [syn: heavy, labored, laboured]
24. characterized by effort to the point of exhaustion; especially physical effort; - Example: "worked their arduous way up the mining valley" - Example: "a grueling campaign" - Example: "hard labor" - Example: "heavy work" - Example: "heavy going" - Example: "spent many laborious hours on the project" - Example: "set a punishing pace" [syn: arduous, backbreaking, grueling, gruelling, hard, heavy, laborious, operose, punishing, toilsome]
25. lacking lightness or liveliness; - Example: "heavy humor" - Example: "a leaden conversation" [syn: heavy, leaden]
26. (of sleep) deep and complete; - Example: "a heavy sleep" - Example: "fell into a profound sleep" - Example: "a sound sleeper" - Example: "deep wakeless sleep" [syn: heavy, profound, sound, wakeless]