Definitions:

1. give support (to) or make a choice (of) one out of a group or number verb
   • I plumped for the losing candidates
2. make fat or plump verb
   • We will plump out that poor starving child
3. straight down especially heavily or abruptly adverb
   • the anchor fell plump into the sea

Synonyms:

• chubby
• embonpoint
• fat
• fatten
• fatten out
• fatten up
• fill out
• flesh out
• go
• plop
• plummet
• plump out

NearBy Words:

• plumping
• plumpness