1. (adj)O.K., OK, okay, okey, okeh an endorsement "they gave us the O.K. to go ahead"
2. (verb)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"
3. (adverb)approve, O.K., okay, sanction givesanction to "I approve of his educational policies"
4. (adverb)okay, O.K., all right, alright in a satisfactory or adequate manner "she'll do okay on her own"; "held up all right under pressure"; (`alright' is a nonstandard variant of `all right')