1. (a.) Of or pertaining to a category.

2. (a.) Not hypothetical or relative; admitting no conditions or exceptions; declarative; absolute; positive; express; as, a categorical proposition, or answer.

a fortiori a posteriori a priori absolute admitting no exception all-out analytic apodeictic apodictic authoritative certain characteristic classificational classificatory clean-cut clear clear-cut complete conclusive conditional decided decisive deductive defining definite definitive denominative determinate dialectic differential direct discursive distinctive divisional divisionary dogmatic downright emphatic enthymematic entire epagogic explicit express final firm fixed flat flat-out forthright global hypothetical implicit inappealable indisputable inductive inferential maieutic ordinal out-and-out outright particular peculiar peremptory perfect positive round soritical special specific straight straight-out subdivisional sure syllogistic synthetic taxonomic total typal typical unambiguous uncircumscribed unconditional unconditioned undoubting unequivocal unhampered unhesitating unlimited unmistakable unmitigated unqualified unquestioning unreserved unrestricted unwaivable utter whole without exception without reserve