Adjective heavy has 29 senses
  1. heavy - of comparatively great physical weight or density; "a heavy load"; "lead is a heavy metal"; "heavy mahogony furniture"
    Antonyms:
    light, airy, buoyant, floaty, feathery, featherlike, lightweight, low-density, featherweight, lighter-than-air
  2. heavy - unusually great in degree or quantity or number; "heavy taxes"; "a heavy fine"; "heavy casualties"; "heavy losses"; "heavy rain"; "heavy traffic"
    Antonyms:
    light, easy
  3. heavy - of the military or industry; using (or being) the heaviest and most powerful armaments or weapons or equipment; "heavy artillery"; "heavy infantry"; "a heavy cruiser"; "heavy guns"; "heavy industry involves large-scale production of basic products (such as steel) used by other industries"
    Antonyms:
    light, light-armed, lightly-armed
  4. heavy - having or suggesting a viscous consistency; "heavy cream"
    Antonym:
    thin (indirect, via thick)
  5. heavy, thick - wide from side to side; "a heavy black mark"
    Antonym: narrow (indirect, via wide)
  6. heavy - marked by great psychological weight; weighted down especially with sadness or troubles or weariness; "a heavy heart"; "a heavy schedule"; "heavy news"; "a heavy silence"; "heavy eyelids"
    Antonyms:
    light, fooling, casual
  7. fleshy, heavy, overweight - usually describes a large person who is fat but has a large frame to carry it
    Antonyms: thin, lean (indirect, via fat)
  8. clayey, cloggy, heavy - (used of soil) compact and fine-grained; "the clayey soil was heavy and easily saturated"
    Antonym: loose (indirect, via compact)
  9. heavy, lowering, sullen, threatening - darkened by clouds; "a heavy sky"
    Antonym: clear (indirect, via cloudy)
  10. heavy - of great intensity or power or force; "a heavy blow"; "the fighting was heavy"; "heavy seas"
    Antonyms:
    light, easy, gentle, soft
  11. heavy - (physics, chemistry) being or containing an isotope with greater than average atomic mass or weight; "heavy hydrogen"; "heavy water"
    Antonym:
    light
  12. heavy - (of an actor or role) being or playing the villain; "Iago is the heavy role in `Othello'"
    Antonym:
    virtuous (indirect, via wicked)
  13. dense, heavy, impenetrable - permitting little if any light to pass through because of denseness of matter; "dense smoke"; "heavy fog"; "impenetrable gloom"
    Antonym: thin (indirect, via thick)
  14. heavy - made of fabric having considerable thickness; "a heavy coat"
    Antonym:
    thin (indirect, via thick)
  15. hard, heavy - of a drinker or drinking; indulging intemperately; "does a lot of hard drinking"; "a heavy drinker"
    Antonym: temperate (indirect, via intemperate)
  16. big, heavy - prodigious; "big spender"; "big eater"; "heavy investor"
    Antonym: temperate (indirect, via intemperate)
  17. accented, heavy, strong - used of syllables or musical beats
    Antonyms: unstressed, unaccented (indirect, via stressed)
  18. heavy, sonorous - full and loud and deep; "heavy sounds"; "a herald chosen for his sonorous voice"
    Antonym: thin (indirect, via full)
  19. grave, grievous, heavy, weighty - of great gravity or crucial import; requiring serious thought; "grave responsibilities"; "faced a grave decision in a time of crisis"; "a grievous fault"; "heavy matters of state"; "the weighty matters to be discussed at the peace conference"
    Antonym: unimportant (indirect, via important)
  20. heavy, lumbering, ponderous - slow and laborious because of weight; "the heavy tread of tired troops"; "moved with a lumbering sag-bellied trot"; "ponderous prehistoric beasts"; "a ponderous yawn"
    Antonym: light-footed (indirect, via heavy-footed)
  21. heavy - large and powerful; especially designed for heavy loads or rough work; "a heavy truck"; "heavy machinery"
    Antonym:
    light-duty (indirect, via heavy-duty)
  22. heavy - dense or inadequately leavened and hence likely to cause distress in the alimentary canal; "a heavy pudding"
    Antonym:
    digestible (indirect, via indigestible)
  23. heavy - sharply inclined; "a heavy grade"
    Antonym:
    gradual (indirect, via steep)
  24. heavy, weighed down - full of; bearing great weight; "trees heavy with fruit"; "vines weighed down with grapes"
    Antonym: empty (indirect, via full)
  25. heavy, labored, laboured - requiring or showing effort; "heavy breathing"; "the subject made for labored reading"
    Antonym: effortless (indirect, via effortful)
  26. arduous, backbreaking, grueling, gruelling, hard, heavy, laborious, punishing, toilsome - characterized by toilsome effort to the point of exhaustion; especially physical effort; "worked their arduous way up the mining valley"; "a grueling campaign"; "hard labor"; "heavy work"; "heavy going"; "spent many laborious hours on the project"; "set a punishing pace"
    Antonym: effortless (indirect, via effortful)
  27. heavy, leaden - lacking lightness or liveliness; "heavy humor"; "a leaden conversation"
    Antonym: lively (indirect, via dull)
  28. heavy, profound, sound, wakeless - (of sleep) deep and complete; "a heavy sleep"; "fell into a profound sleep"; "a sound sleeper"; "deep wakeless sleep"
    Antonym: shallow (indirect, via deep)
  29. big, enceinte, expectant, gravid, great, large, heavy, with child - in an advanced stage of pregnancy; "was big with child"; "was great with child"
    Antonym: nonpregnant (indirect, via pregnant)
,Adverbial heavy has 1 sense
  1. heavy, heavily - slowly as if burdened by much weight; "time hung heavy on their hands"
,Noun heavy has 2 senses
  1. heavy - an actor who plays villainous roles
    --1 is a kind of
    actor, histrion, player, thespian, role player
  2. heavy - a serious (or tragic) role in a play
    --2 is a kind of
    character, role, theatrical role, part, persona
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