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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.
noun
  1. a state of utter perplexity.

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

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1. perplex, confuse, confound, disconcert.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for nonplused

Historical Examples

  • 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
noun plural -pluses
  1. a state of utter perplexity prohibiting action or speech

Word Origin

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.

Online Etymology Dictionary, © 2010 Douglas Harper