dirty word

Noun dirty word has 2 senses

• dirty word(n = noun.communication) filth, obscenity, smut, vulgarism - an offensive or indecent word or phrase;
has particulars: bawdry, bawdy, scatology
is a kind of profanity

• dirty word(n = noun.communication) - a word that is considered to be unmentionable; "`failure' is a dirty word to him"
is a kind of word