Faux pas
WordNet
noun
(1) A socially awkward or tactless act
WiktionaryText
Etymology
From the phrase faux pas, of the same meaning; composed of faux, “false”, and pas, “step”.
Noun
- A blunder (especially used in social contexts).
Synonyms
blooper, blunder, boo-boo, defect, error, fault, fluff, gaffe, lapse, mistake, slip, stumble, thinko, Freudian slip- See also Wikisaurus:error
Noun
faux pas (plural faux pas)