derrière /ˌdɛɹiˈɛə(ɹ)/adverb 1noun 1forms 2 adverb1 •Performed at or to the back. noun1 •(humorous) Bottom, bum, backside.As for high-heels, they hoist the derrière and make the gait more feminine and physically attractive. — 2011 formsderrieres · derrières