Nonplus Definition

nŏn-plŭs

nonplused, nonpluses, nonplusing, nonplussed, nonplusses, nonplussing

verb

nonplused, nonplussed, nonplussing

To put in a nonplus; bewilder.

Webster's New World

To cause to feel indifferent or bored.

American Heritage

Synonyms:

Antonyms:

noun

A condition of perplexity in which one is unable to go, speak, or act further.

Webster's New World

A state of bewilderment or perplexity.

American Heritage

Origin of Nonplus

From Latin nōn plūs no more nōn not non– plūs more pelə-¹ in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From Latin nōn plÅ«s (“no more, no further")

From Wiktionary

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