OK (/ ˌoʊˈkeɪ / ⓘ), with spelling variations including okay, O.K. and many others, is an English word (originating in American English) denoting approval, acceptance, agreement, assent, …

The meaning of OK is all right. How to use OK in a sentence.

Definition of OK exclamation in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

OK meaning: 1. used to show that you agree with something or agree to do something: 2. used to check that…. Learn more.

OK meaning: 1 : used to ask for or express agreement, approval, or understanding; 2 : used for emphasis at the beginning of a statement

OK definition: all right; proceeding normally; satisfactory or under control. See examples of OK used in a sentence.

Dec 24, 2025 · OK (plural OKs or OK's) Endorsement; approval; acceptance; acquiescence. We can start as soon as we get the OK.

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Anything that's ok is all right or fine. A perfectly ok answer when your dad asks how your homework is going is "Ok."

1. all right; satisfactory: Is everything OK? 2. correct, permissible, or acceptable. 3. feeling well. 4. safe; sound.