1. (adj) plump
the sound of a sudden heavy fall
Antonyms: thin, lean
2. (verb) chubby, embonpoint, plump
sufficiently fat so as to have a pleasing fullness of figure
Synonyms: plump, embonpoint, chubby
Antonyms: lean, thin
3. (verb) plummet, plump
drop sharply
Synonyms: go, plank, fat, fatten, plunk down, plop, fill out, plump, fatten up, plummet, plunk, plonk, fatten out, flesh out, plump out, plump down, flump
Antonyms: lean, thin
4. (verb) plank, flump, plonk, plop, plunk, plump down, plunk down, plump
set (something or oneself) down with or as if with a noise
Synonyms: go, clunk, plank, plonk down, fat, plank down, fatten, plump down, plunk down, clop, fill out, pluck, plank over, plump, clump, dive, plump out, pick, plummet, plunk, plonk, fatten out, flesh out, fatten up, flump down, plop, plunge, flump
Antonyms: lean, thin
5. (verb) fatten, fat, flesh out, fill out, plump, plump out, fatten out, fatten up
make fat or plump
Synonyms: elaborate, round out, plank, fill in, fat, expound, lucubrate, fatten, plump down, exposit, plop, go, make out, plunk, fill out, plump, eke out, fatten up, plummet, plunk down, expatiate, plonk, expand, fatten out, complete, flesh out, dilate, plump out, enlarge, pad, flump, round
Antonyms: thin, lean
6. (adverb) plump, go
give support (to) or make a choice (of) one out of a group or number
Synonyms: drop dead, pop off, operate, belong, fatten, give-up the ghost, work, choke, go away, get, flump, rifle, conk out, die, sound, get going, kick the bucket, run, plunk down, blend, function, lead, fill out, flesh out, live, pass away, plump out, run short, plonk, survive, croak, plump, move, extend, conk, fit, plummet, blend in, become, run low, exit, plop, break, proceed, last, decease, give out, go, depart, give way, hold up, snuff it, fatten out, pass, hold out, start, fail, plank, locomote, plunk, fatten up, travel, endure, break down, fat, buy the farm, perish, live on, plump down, cash in one's chips, expire, go bad
Antonyms: thin, lean
7. (adverb) plump
straight down especially heavily or abruptly
Antonyms: lean, thin
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Synonyms and Antonyms of plump 
