a person who pretends to be what he or she is not; one who pretends to be better than is really so, or to be pious, virtuous, etc. without really being so
Origin:
ME ipocrite < OFr < L hypocrita, stage actor (in LL(Ec), hypocrite) < Gr hypokritēs, an actor (in LXX & N.T., a pretender, hypocrite) < hypokrinesthai: see hypocrisy