Plump, adv. [Cf. D. plomp, interj., G. plump, plumps. Cf. Plump, a. & v.] Directly; suddenly; perpendicularly. "Fall plump." Beau. & Fl.

Plump (plŭmp), a. [Compar. Plumper (-ẽr); superl. Plumpest.] [OE. plomp rude, clumsy; akin to D. plomp, G., Dan., & Sw. plump; probably of imitative origin. Cf. Plump, adv.] Well rounded or filled out; full; fleshy; fat; as, a plump baby; plump cheeks. Shak.

The god of wine did his plump clusters bring.
T. Carew.

Plump, n. A knot; a cluster; a group; a crowd; a flock; as, a plump of trees, fowls, or spears. [Obs.]

To visit islands and the plumps of men.

Plump, v. i. [Cf. D. plompen, G. plumpen, Sw. plumpa, Dan. plumpe. See Plump, a.] 1. To grow plump; to swell out; as, her cheeks have plumped.

2. To drop or fall suddenly or heavily, all at once."Dulcissa plumps into a chair." Spectator.

3. To give a plumper. See Plumper, 2.

Plump, v. t. [imp. & p. p. Plumped (?); p. pr. & vb. n. Plumping.] 1. To make plump; to fill (out) or support; -- often with up.

To plump up the hollowness of their history with improbable miracles.

2. To cast or let drop all at once, suddenly and heavily; as, to plump a stone into water.

3. To give (a vote), as a plumper. See Plumper, 2.

Plump (?), a. Done or made plump, or suddenly and without reservation; blunt; unreserved; direct; downright.

After the plump statement that the author was at Erceldoune and spake with Thomas.