Entry 3 senses · 3 variants Webster, 1913 okay · IPA /ˌəʊˈkeɪ/ adj. n. v. t. 01 adj. Satifactory; agreeable; pleasant; as, things are okay; he's an okay guy. 1. Satifactory; agreeable; pleasant; as, things are okay; he's an okay guy. Syn. all right(predicate), all-right(prenominal), ok, o.k. 02 n. An endorsement; approval; permission; as, they gave us the okay to go ahead. 1. An endorsement; approval; permission; as, they gave us the okay to go ahead. Syn. OK, okey, okeh. 03 v. t. to approve; as, the boss okayed my proposal. 1. to approve; as, the boss okayed my proposal. Syn. approve, ok, sanction.