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, …

O.K., Okay, Okeh let's talk about the world's favorite word in this 5th episode of Origin of Words. Where does OK come from? What does OK stand for? And what did OK originally mean?

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

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

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

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

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.

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 …

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 …