• synonyms


[non-pluhs, non-pluhs]
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verb (used with object), non·plussed or non·plused, non·plus·sing or non·plus·ing.
  1. to render utterly perplexed; puzzle completely.
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  1. a state of utter perplexity.
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Origin of nonplus

1575–85; (noun) < Latin nōn plūs literally, not more, no further, i.e., a state in which nothing more can be done

Synonyms for nonplus

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for nonplussed

mystify, dumbfound, bewilder, faze, disconcert, astound, baffle, astonish, daze, fluster, discountenance, stump, rattle, puzzle, confound, thwart, boggle, paralyze, stymie, stun

Examples from the Web for nonplussed

Contemporary Examples of nonplussed

Historical Examples of nonplussed

  • The captain, nonplussed, looked at Marius, and Florimond surprised the look.

    St. Martin's Summer

    Rafael Sabatini

  • They were nonplussed, but their boss had not lost his nerve.

    Whispering Smith

    Frank H. Spearman

  • He looked at Druel with such composure that the latter for a moment was nonplussed.

    Nan of Music Mountain

    Frank H. Spearman

  • This nonplussed the fanatic, who had come possibly with an eye to business.

  • For the moment Livingston was nonplussed, and declined to make any offer.

    Union and Democracy

    Allen Johnson

British Dictionary definitions for nonplussed


verb -plusses, -plussing or -plussed or US -pluses, -plusing or -plused
  1. (tr) to put at a loss; confoundhe was nonplussed by the sudden announcement
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noun plural -pluses
  1. a state of utter perplexity prohibiting action or speech
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Word Origin for nonplus

C16: from Latin nōn plūs no further (that is, nothing further can be said or done)
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

Word Origin and History for nonplussed


c.1600, past participle adjective from nonplus.

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"to bring to a nonplus, to perplex," 1590s, from the noun (1580s), properly "state where 'nothing more' can be done or said," from Latin non plus "no more, no further" (see plus). Related: Nonplussed.

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Online Etymology Dictionary, © 2010 Douglas Harper