boo-word

boo-word

(ˈbuːˌwɜːd)
n
any word that seems to cause irrational fear: "communism" became a boo-word in the McCarthy era.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
You will see the audience scratching and raging and panting like flea-ridden gibbons because Thatcher is a boo-word in British politics" - Boris Johnson (pictured), Mayor of London.
You will see the audience scratching and raging and panting like flea-ridden gibbons, because Thatcher is a boo-word in British politics" Boris Johnson, Mayor of London "MPs have become millionaires on the quiet.
Even so, both `economic rationalism' and `political correctness' are now probably a lost cause, no more than boo-words for the intellectually lazy.