Not amused; thus often offended or put off(adjective)
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Use "unamused" in a sentence
"A women's group was unamused by a joke Jay Leno made last week that seemed to make light of a hypothetical sexual encounter between Delaware ..."
"A women's group was unamused by a joke Jay Leno made last week that seemed to make light of a hypothetical sexual encounter between Delaware Republican Senate Candidate Christine O'Donnell and Family Guy creator Seth McFarlane."
"I did appreciate the 50-year-old unicyclist who drew an unamused Howie Mandel into his act and rendered him momentarily speechless."