adj. 25B6; adjective
a definite answer : EXPLICIT, specific, express, precise, exact, clear-cut, direct, plain, outright; fixed, established, confirmed, concrete.
definite evidence : CERTAIN, sure, positive, conclusive, decisive, firm, concrete, unambiguous, unequivocal, clear, unmistakable, proven; guaranteed, assured, cut and dried.
she had a definite dislike for Robert : UNMISTAKABLE, unequivocal, unambiguous, certain, undisputed, decided, marked, distinct.
a definite geographical area : FIXED, marked, demarcated, delimited, stipulated, particular.
vague, ambiguous, indeterminate.