Definition of "nonplussed" []

• Bewildered; unsure how to respond or act. (adjective)
• Unfazed, unaffected, or unimpressed. (adjective)
• Simple past tense and past participle of nonplus. (verb)

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• "Nevertheless, to be perfectly accurate, I was using the word nonplussed obtusely if not downright inccorrectly."
• "Also, cycling fans got to witness another milestone today, when BSNYC commentator Eben Oliver Weiss typed the word "nonplussed" for the one millionth time during his daily blog."
• "At least your expression would not have been "nonplussed" as it appears all Portlanders, Portlandonians, Portlandites?"