Antonyms for the word "being often in" can vary based on the context of the sentence. If the meaning of "being often in" is related to a physical place, the antonyms could be "rarely in," "infrequently in," or "seldom in." On the other hand, if "being often in" is referring to a person's behavior, personality, or habits, the antonyms could include "rarely exhibiting," "infrequently displaying," or "seldom showing." It is important to consider the context when looking for antonyms, as the opposite of a word can change depending on how it is used in a sentence.