Selfefface, which means to make oneself appear unimportant, can have various antonyms depending on the context in which it is used. If selfefface is used in the context of asserting oneself or demonstrating confidence, its antonyms can be words or phrases like assertiveness, confidence, self-assurance, self-confidence, or self-promotion. Contrarily, if selfefface is used in the context of humility or modesty, its antonyms can be words or phrases like arrogance, conceit, flamboyance, pomposity, or showiness. In summary, the antonyms of selfefface can either connote confidence or humility depending on the situation in which it is being used.