Pronunciation: (pō-zûr'; Fr. pô-zœr'), [key]
—pl. -seursPronunciation: (-zûrz'; Fr. -zœr'). [key]
a person who attempts to impress others by assuming or affecting a manner, degree of elegance, sentiment, etc., other than his or her true one.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.