adjective
definite, positive
Synonyms: absolute, apparent, categorical, certain, clear, clear-cut, decided, decisive, direct, distinct, downright, evident, explicit, flat out, incontestable, incontrovertible, indisputable, indubitable, manifest, no catch, no fine print, no holds barred, no ifs ands or buts, no strings attached, obvious, open and shut, palpable, patent, plain, straight, straightforward, straight out, unambiguous, uncontestable, undeniable, undisputable, univocal, unmistakable, unquestionable
Antonyms: ambiguous, equivocal, indefinite, obscured, uncertain, unsure, vague