The concept of antonyms for "be apposite" revolves around words that are contradictory or opposite in meaning. Some antonyms for "be apposite" are "be inappropriate," "be irrelevant," "be unsuitable," and "be incongruous." When something is apposite, it is suitable, relevant, or fitting for a particular context or situation. Hence, its antonyms are words that signify the opposite scenario, something that is unfitting, irrelevant, or unsuitable. By understanding the antonyms for "be apposite," one can better appreciate the nuances of language and how to use them to communicate effectively.