adjective
exact, accurate
Synonyms: absolute, actual, categorical, circumscribed, clear-cut, correct, decisive, definite, determinate, explicit, express, fixed, individual, limited, literal, narrow, nice, on the button, on the money, on the nose, particular, proper, restricted, right, rigid, rigorous, specific, strict, stringent, unequivocal, very, well-defined
Antonyms: ambiguous, false, imprecise, inaccurate, inexact, questionable
adjective
meticulous, fastidious
Synonyms: careful, ceremonious, choosy, exact, finicky, formal, fussy, genteel, inflexible, nice, particular, persnickety, picky, priggish, prim, prissy, punctilious, rigid, scrupulous, stickling, stiff, strict, stuffy, uncompromising
Antonyms: careless, loose, negligent, slipshod