"Play the hypocrite" is a phrase often used to describe someone who pretends to be someone or something else. Synonyms for this phrase can include "act a part," "put on a show," "feign," "pretend," "mask," "disguise," "simulate," "put up a front," and "pose." These words all describe the act of presenting oneself as different from the true self, typically in order to deceive or impress others. Playing the hypocrite can be a negative behavior, as it often entails dishonesty and a lack of authenticity, but it can also be a means of self-protection or personal growth.