nonplussed – Surprised, confused and not certain how to react
(Pronounced non-pluhst)
To remember the definition of the word nonplussed, use the following mnemonic:
Nonsense, there's a plus you've missed (nonplus) out. The genius mathematician looked surprised, confused and not sure how to react.
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Examples of nonplus in a sentence
The professor is never nonplussed by a problem.
He was nonplussed by the strange rules.
She appears to be nonplussed.
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