nonplus


1non·plus

noun \ˌnän-ˈpləs\

Definition of NONPLUS

:  a state of bafflement or perplexity :  quandary

Origin of NONPLUS

Latin non plus no more
First Known Use: 1582

2nonplus

verb
nonplussed also nonplused \-ˈpləst\nonplus·sing also nonplus·ing \-ˈplə-siŋ\

Definition of NONPLUS

transitive verb
:  to cause to be at a loss as to what to say, think, or do :  perplex

Examples of NONPLUS

  1. <I was nonplussed by his openly expressed admiration of me.>

First Known Use of NONPLUS

1591

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