adjective
exact, clear
Synonyms: audible, bold, categorical, clean-cut, clear-cut, clearly defined, complete, crisp, definitive, determined, distinct, distinguishable, downright, explicit, express, fixed, forthright, full, graphic, incisive, marked, minute, not vague, obvious, palpable, particular, plain, positive, precise, pronounced, ringing, severe, sharp, silhouetted, specific, straightforward, tangible, unambiguous, undubitable, unequivocal, unmistakable, visible, vivid, well-defined, well-grounded, well-marked
Antonyms: imprecise, indefinite, indistinct, inexact, not clear, obscure, uncertain, unclear, undefined, vague
adjective
fixed, certain, positive
Synonyms: assigned, assured, beyond doubt, circumscribed, convinced, decided, defined, determinate, determined, established, guaranteed, limited, narrow, precise, prescribed, restricted, set, settled, sure
Antonyms: indeterminate, inexact, uncertain, unfixed, unlimited, vague