The antonyms for the term "most overexact" are words that indicate a lack of precision, attention to detail or strict adherence to rules or guidelines. Some possible antonyms include careless, imprecise, inaccurate, sloppy, haphazard, careless, indifferent, relaxed, loose, flexible, lenient, and nonchalant. These antonyms suggest a lack of concern or rigor when it comes to matters of accuracy or thoroughness. These words can be used in a variety of contexts, from describing someone's work habits to evaluating a performance or output. Overall, the antonyms for "most overexact" reflect a departure from exactitude and a greater tolerance for ambiguity or error.