- to render utterly perplexed; puzzle completely.
- 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
SynonymsSee more synonyms for nonplus on Thesaurus.com
1. perplex, confuse, confound, disconcert.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for nonplus
Peter was puzzled, and scratched his ear like a man at a nonplus.The Daltons, Volume II (of II)
Charles James Lever
They were put to a nonplus, and summoned the Devil to their relief.A Budget of Paradoxes, Volume I (of II)
Augustus De Morgan
The inquiring mind is at a nonplus, and is likely to remain so.The Old Inns of Old England, Volume II (of 2)
Charles G. Harper
This reply seemed to nonplus us all with the exception of Maitland and Godin.The Darrow Enigma
Melvin L. Severy
Wingate was now at a nonplus, and “could not well tell what to say.”The Life of John Bunyan
- (tr) to put at a loss; confoundhe was nonplussed by the sudden announcement
- a state of utter perplexity prohibiting action or speech
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 nonplus
Online Etymology Dictionary, © 2010 Douglas Harper