- OK⇄adj. all right; correct; approved.
Ex. The new schedule was OK. Rome ... is an O.K. city to work in (Time). Trouser-suited ladies are deemed OK (Punch). - OK⇄adv. all right; well; fine.
Ex. The car turns over OK when cold (Hot Rod). - OK⇄interj. all right.
Ex. OK, you can go if you come home before dark. - OK⇄noun approval.
Ex. After she got Columbia's OK, they made the picture (Saturday Evening Post). - OK⇄OK (1) (no periods)orO.K., adjective, adverb, interjection, verb, OK'd,OK'ingorO.K.'d,O.K.'ing;noun, pl.OK'sorO.K.'s.
(Informal.) - OK⇄OK (2) (no periods),
Oklahoma (with postal Zip Code). - OK⇄v.t. to put ""OK"" on to show that something is correct or has been approved; approve; endorse.
Ex. to OK a request for a loan. Barney grinned, ""Pink has O.K.'d the article"" (John Stephen Strange).