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.

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

'OK' is perhaps the most recognizable word in the world. It was also created as an in-joke between newspaper editors in the early 1800s, as a playful rendering of 'all correct' (oll korrect).

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

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

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

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

Jul 23, 2025 · During the 1960s, NASA astronauts popularized the phrase "A-OK" to signal that all systems were go. And 56 years ago this week, "OK" was among the first words spoken from Earth to …