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

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

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.

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 …

Okay, OK, and O.K. are all the same words and can be used interchangeably with one another in both informal and formal writing scenarios. In fact, OK is the original preferred spelling of the …

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, …

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

The term OK may also be spelled okay. There is confusion as to whether OK is a word because it is informal, looks like an acronym, and is spelled with all capital letters.

OK definition: Satisfactory or agreeable; acceptable.