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[pluhmp] /plʌmp/
adjective, plumper, plumpest.
well filled out or rounded in form; somewhat fleshy or fat.
verb (used without object)
to become plump (often followed by up or out).
verb (used with object)
to make plump (often followed by up or out):
to plump up the sofa pillows.
Origin of plump1
1475-85; earlier plompe dull, rude < Middle Dutch plomp blunt, not pointed; cognate with Middle Low German plump
Related forms
plumply, adverb
plumpness, noun
1. portly, round. See stout. 2, 3. fatten.
1. thin. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for plumpness
Historical Examples
  • He had not guessed she was thus acutely sensitive concerning her plumpness.

    Within the Law Marvin Dana
  • Since then his slenderness has developed into plumpness and his hope into certitude.

    My Double Life Sarah Bernhardt
  • The grains should then be counted and their plumpness and size observed.

    Agriculture for Beginners Charles William Burkett
  • In no case should plumpness be so predominant as to destroy the distinctness of parts.

  • Miss Clara, the teacher, lacked Aunt Cordelia's optimism, also her plumpness.

    Americans All Various
  • Yet Aunt Maude's plumpness was not the plumpness of inelegance.

    Mistress Anne Temple Bailey
  • For all his plumpness Tuck was no mean opponent at the game.

    Robin Hood Paul Creswick
  • May plumpness be their portion, and they never hanged for it!

  • This little woman had the rosy-peeping June bud's plumpness.

  • There was no plumpness, and no silver-sounding laughter with Mary.

    An Old Man's Love

    Anthony Trollope
British Dictionary definitions for plumpness


well filled out or rounded; fleshy or chubby: a plump turkey
bulging, as with contents; full: a plump wallet
(of amounts of money) generous; ample: a plump cheque
often foll by up or out. to make or become plump: to plump up a pillow
Derived Forms
plumply, adverb
plumpness, noun
Word Origin
C15 (meaning: dull, rude), C16 (in current senses): perhaps from Middle Dutch plomp dull, blunt


often foll by down, into, etc. to drop or fall suddenly and heavily: to plump down on the sofa
(intransitive) foll by for. to give support (to) or make a choice (of) one out of a group or number
a heavy abrupt fall or the sound of this
suddenly or heavily: he ran plump into the old lady
straight down; directly: the helicopter landed plump in the middle of the field
adjective, adverb
in a blunt, direct, or decisive manner
Word Origin
C14: probably of imitative origin; compare Middle Low German plumpen, Middle Dutch plompen


(archaic or dialect) a group of people, animals, or things; troop; cluster
Word Origin
C15: of uncertain origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for plumpness

1540s, from plump (adj.) + -ness.



late 15c., "blunt, dull" (in manners), from Dutch plomp "blunt, thick, massive, stumpy," probably related to plompen "fall or drop heavily" (see plump (v.)). Meaning "fleshy, of rounded form" is from 1540s in English. Danish and Swedish plump "rude, coarse, clumsy" are from the Low German word and represent a different sense development.



c.1300, "to fall or strike with a full impact," common Low German word, from or related to Middle Dutch and Dutch plompen, East Frisian plumpen, Middle Low German plumpen, probably more or less imitative of something hard striking something soft. Hence plump (n.) "a firm blow," in pugilism usually one to the stomach.

To plump; to strike, or shoot. I'll give you a plump in the bread basket, or the victualling office; I'll give you a blow in the stomach. ["Dictionary of Buckish Slang, University Wit and Pickpocket Eloquence," London, 1811]

Or, even if any of them should suspect me, I know how to bring myself off. It is but pretending to be affronted, stripping directly, challenging him to fight, and before he can be on his guard, hitting him a plump in the bread-basket, that shall make him throw up his accounts; and I'll engage he will have but very little stomach to accuse me after. ["The Reverie: or A Flight to the Paradise of Fools," London, 1763]



"to become plump," 1530s, from plump (adj.). Meaning "to plump (something) up, to cause to swell" is from 1530s. Related: Plumped; plumping.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for plumpness



Precisely; exactly; squarely; smack

[1734+; fr plumb]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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