1. (noun)Oklahoma, Sooner State, OK a state in southcentral United States
2. (noun)O.K., OK, okay, okey, okeh an endorsement "they gave us the O.K. to go ahead"
3. (adj)all right, fine, o.k., ok, okay, hunky-dory being satisfactory or in satisfactory condition "an all-right movie"; "the passengers were shaken up but are all right"; "is everything all right?"; "everything's fine"; "things are okay"; "dinner and the movies had been fine"; "another minute I'd have been fine"
Definition of 'ok':
