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boo-word

British  
/ ˈbuːˌwɜːd /

noun

  1. any word that seems to cause irrational fear

    "communism" became a boo-word in the McCarthy era

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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It is nothing to do with terrorism, or even the elastic boo-word of Islamism.

From The Guardian • Jun. 11, 2014

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