Noun
a word that is considered to be unmentionable
an offensive or indecent word or phrase
Source: WordNet`failure' is a dirty word to him Source: Internet
And for the first time in many decades, “socialist” is no longer a dirty word in American politics. Source: Internet
For a different generation, depicted Wendy Beamish's family whispering "" as if it were a dirty word. Source: Internet
"Environmentalism" has been a dirty word in the mining, ranching and hunting world since its popular uprising in the 1980s. Source: Internet
They key word here is 'happen to be the same size on x86' thats the dirty word as its just a coincidence. Source: Internet
F-Bomb: Dispatches From the War on Feminism, Lauren McKeon (Goose Lane) When did feminism become a dirty word? Source: Internet