The phrase "out head" can have multiple meanings, depending on the context. As an idiom, it commonly refers to something that is out of one's control or beyond one's understanding. Synonyms for this sense of "out head" could include beyond grasp, incomprehensible, or inscrutable. In a more literal sense, "out head" could refer to something protruding or extending from someone's head, such as hair or an accessory. Synonyms for this meaning might include an adornment, a headdress, or a coiffure. Understanding the context of the phrase "out head" can help identify which synonyms to use in a given situation.