Definition of "nonplused" []

• Simple past tense and past participle of nonplus. (verb)

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• "Senate President Pro Tem John Burton (D-San Francisco) said he was "nonplused" by Schwarzenegger's comment."
• "To be fair, you can understand why the people who encounter them might be nonplused."
• "Roosevelt was initially nonplused, slow to appreciate the severity of the downturn."