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

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

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 …

OK definition: Satisfactory or agreeable; acceptable.

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

'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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