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 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 …

OK definition: Satisfactory or agreeable; acceptable.

Mar 21, 2014 · While OK became part of the popular lexicon, its origins were disputed for more than a century. Some linguists pointed to Van Buren and Jackson.

Feb 26, 2025 · It’s one of the most commonly used words in the world, but have you ever wondered what "OK" really means and where it comes from? "OK," "okay," or "okey" are terms …

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, …

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

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