Noun

• S: (n) plump (the sound of a sudden heavy fall)

Verb

• S: (v) plummet, plump (drop sharply) "The stock market plummeted"
• S: (v) plank, flump, plonk, plop, plunk, plump down, plunk down, plump (set (something or oneself) down with or as if with a noise) "He planked the money on the table"; "He planked himself into the sofa"
• S: (v) fatten, fat, flesh out, fill out, plump, plump out, fatten out, fatten up (make fat or plump) "We will plump out that poor starving child"
• S: (v) plump, go (give support (to) or make a choice (of) one out of a group or number) "I plumped for the losing candidates"

Adjective

• S: (adj) chubby, embonpoint, plump (sufficiently fat so as to have a pleasing fullness of figure) "a chubby child"; "pleasingly plump"

Adverb

• S: (adv) plump (straight down especially heavily or abruptly) "the anchor fell plump into the sea"; "we dropped the rock plump into the water"