faux pas

< /foʊ ˈpɑz; French foʊ ˈpɑ/.

1. a slip or blunder in etiquette, manners, or conduct; an embarrassing social blunder or indiscretion.

noun plural faux pas (ˌfəʊ ˈpɑːz, French fo pɑ)

1. a social blunder or indiscretion