Entry 1 sense Webster, 1913 Categorically · Cat·e·gor·ic·al·ly · IPA /kæt.əˈɡɒ.ɹɪk.(ə.)li/ 01 adv. Absolutely; directly; expressly; positively; as, to affirm categorically. 1. Absolutely; directly; expressly; positively; as, to affirm categorically.