n.
the fear of speaking off the cuff or from the heart; the terror of saying the wrong thing and having to watch someone’s smile fade as they realize you’re not who they thought you were.
Ancient Greek μῶμος (momos), blemish, disgrace + -φοβία (-phobía), fear. Momus was the Ancient Greek god of mockery and harsh criticism. Pronounced “moh-muh-foh-bee-uh.”