The phrase "not showed" implies an absence or lack of something that was expected or anticipated. Therefore, some antonyms for this phrase could be "appeared," "displayed," "revealed," or "presented." These words suggest that a certain object, person, or aspect has made an appearance or has become visible, which is the opposite of "not showed." Other antonyms include "disclosed," "exposed," "unveiled," and "manifested," all of which denote the act of unveiling or making something known. By using these antonyms, we can convey a sense of positivity, action, and progress, which are essential in effective communication.