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adj. plump·er, plump·est 1. Well-rounded and full in form; chubby. See Synonyms at fat. 2. Abundant; ample: a plump reward. v. plumped, plump·ing, plumps v.tr. To make well-rounded or full in form: plumped up the pillows. v.intr. To become well-rounded, chubby, or full in form: The baby plumped out at three months. [Middle English, dull, probably from Middle Low German plomp, blunt, thick.] plumpish adj. plumply adv. plumpness n. |
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