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Synonyms

plump

1 American  
[pluhmp] / plʌmp /

adjective

plumper, plumpest
  1. well filled out or rounded in form; somewhat fleshy or fat.

    Synonyms:
    rotund, portly
    Antonyms:
    thin

verb (used without object)

  1. to become plump (often followed by up orout ).

    Synonyms:
    fatten

verb (used with object)

  1. to make plump (often followed by up orout ).

    to plump up the sofa pillows.

    Synonyms:
    fatten
plump 2 American  
[pluhmp] / plʌmp /

verb (used without object)

  1. to drop or fall heavily or suddenly; come down abruptly or with direct impact.

  2. Chiefly British. to vote exclusively for one candidate in an election, instead of distributing or splitting one's votes among a number.


verb (used with object)

  1. to drop or throw heavily or suddenly (often followed bydown ).

    He plumped himself down and fell asleep.

  2. to utter or say bluntly (often followed byout ).

    She plumps out the truth at the oddest times.

  3. to praise or extol.

    road signs plumping the delights of a new candy bar.

noun

  1. a heavy or sudden fall.

  2. the sound resulting from such a fall.

adverb

  1. with a heavy or sudden fall or drop.

  2. directly or bluntly, as in speaking.

  3. in a vertical direction; straight down.

  4. with sudden encounter.

  5. with direct impact.

adjective

  1. direct; downright; blunt.

    Days after being accused, they met the charge with a plump denial.

verb phrase

  1. plump for to support enthusiastically; be wholeheartedly in favor of.

    to plump for a team.

plump 3 American  
[pluhmp] / plʌmp /

noun

Chiefly British Dialect.
  1. a group or cluster.

  2. a flock.

    a plump of ducks.


plump 1 British  
/ plʌmp /

verb

  1. to drop or fall suddenly and heavily

    to plump down on the sofa

  2. to give support (to) or make a choice (of) one out of a group or number

"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

noun

  1. a heavy abrupt fall or the sound of this

"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

adverb

  1. suddenly or heavily

    he ran plump into the old lady

  2. straight down; directly

    the helicopter landed plump in the middle of the field

"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

adjective

  1. in a blunt, direct, or decisive manner

"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
plump 2 British  
/ plʌmp /

adjective

  1. well filled out or rounded; fleshy or chubby

    a plump turkey

  2. bulging, as with contents; full

    a plump wallet

  3. (of amounts of money) generous; ample

    a plump cheque

"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

verb

  1. to make or become plump

    to plump up a pillow

"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
plump 3 British  
/ plʌmp /

noun

  1. archaic a group of people, animals, or things; troop; cluster

"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

Synonym Usage

See stout.

Other Word Forms

Derived Forms

Etymology

Origin of plump1

First recorded in 1475–85; earlier plompe “dull, rude,” from Middle Dutch plomp “blunt, squat”; cognate with Middle Low German plump “uneducated, clumsy”

Origin of plump2

First recorded in 1375–1425; Middle English verb plumpen “to plunge into water, dive,” cognate with Dutch plompen; probably imitative

Origin of plump3

First recorded in 1375–1425; late Middle English plump; origin unknown

Explanation

Something that's plump has a nice round shape. You could describe watching your plump little cousin eating one plump grape after another. Objects and people can both be described as plump, as long as they're full or round or chubby. Though some people might be offended by being called plump, it's meant to describe an appealing roundness. And when you plump something, you pat or shake it so that it becomes fuller: "Let me plump those pillows on the bed while you tuck the sheets in."

Keep Reading on Vocabulary.com

Vocabulary lists containing plump

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Plump quarterly payments are relatively scarce, so the fund’s top holdings cover mostly familiar ground: oil, soda, fighter jets, pills, cigarettes, and for those with the moral flexibility for it, phone service.

From Barron's • Feb. 20, 2026

Plump quails and miniature foxes unique to the island scurry across the dirt roads that wind through scrubby hillsides.

From New York Times • Dec. 2, 2023

Plump resigned from the Alabama House of Representatives.

From Washington Times • Sep. 27, 2023

Plump pods and flossy seed heads signal the end of this year’s growing season while holding the germ of the next.

From Seattle Times • Nov. 12, 2022

Plump, translucent lizards lived behind old pictures, and waxy, crumbling ancestors with tough toe-nails and breath that smelled of yellow maps gossiped in sibilant, papery whispers.

From "The God of Small Things" by Arundhati Roy

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