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: Satisfactory or agreeable; acceptable.

Jul 16, 2024 · For many years, the origin of “OK,” one of the most common words in languages around the world, was disputed. Theories about the word’s beginnings and original meaning …

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

Oct 22, 2024 · The word "OK" is a common expression in the English language, with "okay" being a later spelling variant derived from it. Its primary meanings include indicating agreement, …

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 …

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

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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."