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Use "shrillness" in a sentence
"What I find frustrating about your shrillness is precisely that it seems to be an objective in itself."
"At any rate, McCain shrillness and inability to draw money, coverage and set an original agenda shows what a total dinosaur loser he is."
"The pitch of Londonistan may occasionally exceed that which is discernible to the human ear, but her shrillness is the result of a wholly justifiable anger that few people in power seem to be listening."