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nonplus

[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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noun
  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 nonplused

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 nonplused

Historical Examples of nonplused

  • He had expected to intimidate our hero easily, and now he was nonplused.

    The Young Oarsmen of Lakeview

    Ralph Bonehill

  • The neighbor could tell no more, and Captain Putnam and the cadets were nonplused.

    The Putnam Hall Cadets

    Arthur M. Winfield

  • Nonplused for the moment, the artist wanted then to carry off the thing easily.

    Artist and Model

    Ren de Pont-Jest

  • For a moment, I was too nonplused to speak; I could only stare at her.

    The Holladay Case

    Burton E. Stevenson

  • At the time, however, I was nonplused and rather disturbed in my dreams of the future.


British Dictionary definitions for nonplused

nonplus

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 nonplused

nonplus

v.

"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