heavy in WordNet English dictionary

1. characterized by 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"
   arduous  backbreaking  grueling  gruelling  hard  heavy  laborious  operose  punishing  toilsome 
   
2. prodigious
   "big spender"; "big eater"; "heavy investor"
   big  heavy 
   
3. in an advanced stage of pregnancy
   "was big with child"; "was great with child"
   big  enceinte  expectant  gravid  great  large  heavy  with child 
   
4. (used of soil) compact and fine-grained
   "the clayey soil was heavy and easily saturated"
   clayey  cloggy  heavy 
   
5. permitting little if any light to pass through because of denseness of matter
   "dense smoke"; "heavy fog"; "impenetrable gloom"
   dense  heavy  impenetrable 
   
6. usually describes a large person who is fat but has a large frame to carry it
   fleshy  heavy  overweight 
   
7. 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"
   grave  grievous  heavy  weighty 
   
8. given to excessive indulgence of bodily appetites especially for intoxicating liquors
   "a hard drinker"
   intemperate  hard  heavy 
   
9. of comparatively great physical weight or density
   "a heavy load"; "lead is a heavy metal"; "heavy mahogany furniture"
   heavy 
   
10. 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"
    heavy 
    
11. unusually great in degree or quantity or number
    "heavy taxes"; "a heavy fine"; "heavy casualties"; "heavy losses"; "heavy rain"; "heavy traffic"
    heavy 
    
12. 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"
    heavy 
    
13. (physics, chemistry) being or containing an isotope with greater than average atomic mass or weight
    "heavy hydrogen"; "heavy water"
    heavy 
    
14. of great intensity or power or force
    "a heavy blow"; "the fighting was heavy"; "heavy seas"
    heavy 
    
15. darkened by clouds
    "a heavy sky"
    heavy  lowering  sullen  threatening 
    
16. (of sleep) deep and complete
    "a heavy sleep"; "fell into a profound sleep"; "a sound sleeper"; "deep wakeless sleep"
    heavy  profound  sound  wakeless 
    
17. lacking lightness or liveliness
    "heavy humor"; "a leaden conversation"
    heavy  leaden 
    
18. full of; bearing great weight
    "trees heavy with fruit"; "vines weighed down with grapes"
    heavy  weighed down 
    
19. full and loud and deep
    "heavy sounds"; "a herald chosen for his sonorous voice"
    heavy  sonorous 
    
20. large and powerful; especially designed for heavy loads or rough work
    "a heavy truck"; "heavy machinery"
    heavy 
    
21. 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"
    heavy  lumbering  ponderous 
    
22. dense or inadequately leavened and hence likely to cause distress in the alimentary canal
    "a heavy pudding"
    heavy 
    
23. sharply inclined
    "a heavy grade"
    heavy 
    
24. made of fabric having considerable thickness
    "a heavy coat"
    heavy 
    
25. (of an actor or role) being or playing the villain
    "Iago is the heavy role in `Othello'"
    heavy 
    
26. requiring or showing effort
    "heavy breathing"; "the subject made for labored reading"
    heavy  labored  laboured 
    
27. of relatively large extent and density
    "a heavy line"
    heavy 
    

1. slowly as if burdened by much weight
   "time hung heavy on their hands"
   heavy  heavily  heavy  heavily 
   

1. a serious (or tragic) role in a play
   heavy 
   
2. an actor who plays villainous roles
   heavy