adj to give a plumper. ·see plumper, 2.
2. plump (·adj & ·v) directly; suddenly; perpendicularly.
3. plump ·adj to drop or fall suddenly or heavily, all at once.
4. plump ·vt to give (a vote), as a plumper. ·see plumper, 2.
5. plump ·adj to grow plump; to swell out; as, her cheeks have plumped.
6. plump ·vt to make plump; to fill (out) or support;
often with up.
7. plump ·adv well rounded or filled out; full; fleshy; fat; as, a plump baby; plump cheeks.
8. plump ·noun a knot; a cluster; a group; a crowd; a flock; as, a plump of trees, fowls, or spears.
9. plump ·vt to cast or let drop all at once, suddenly and heavily; as, to plump a stone into water.
10. plump ·add. ·adj done or made plump, or suddenly and without reservation; blunt; unreserved; direct; downright.