Antonyms for exact

accurate, precise:

careless, obscure, loose, uncareful, approximate, unreliable, ambiguous, imprecise, wrong, inaccurate, fuzzy, indefinite, vague, inexact, incorrect, uncertain, flawed.

all:

inexact.

careful, painstaking:

lenient, easy-going.

noun:

defective, sloppy, flawed, evident, improper, clear-cut, dubious, questionable, unequivocal, perspicuous, obvious, near, unmistakable, inauthentic, imperfect, invalid, relative, careless, unfaithful, broad, indefinite, faulty, palpable, comparative, corrupt, unambiguous, slipshod, untrustworthy, patent, unreliable, unclear, slovenly, plain, incautious, corrupted, open-and-shut, clear, doubtful, transparent, vague, heedless, slapdash, manifest, apparent.

demand, call for:

disapprove, release, give, let go, receive, answer, free.