bull’s eye, categorical, characteristic, clean-cut, clear-cut, cut fine, dead on, definite, definitive, different, distinct, downright, drawn fine, especial, exact, explicit, express, flat out, hit nail on head, individual, limited, on target, outright, peculiar, precise, reserved, restricted, right on, set, sole, special, specialized, straight-out, unambiguous, unequivocal, unique

Specific Antonyms: general, indefinite, uncertain, vague