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.

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 …

OK was used in March 1839 as an abbreviation for all correct, the joke being that neither the O nor the K was correct. Originally spelled with periods, this term outlived most similar …

We use okay as a response token to show that we understand, accept, or agree with what someone is saying: …

If something's ok, it's not terrible, but it's not wonderful either — it's simply ok. You can use this informal word to ask if something's acceptable: "Hey, is it ok if I borrow your car?"

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 …

It is used to mean that something is good or correct. It is the opposite of the word bad. It can often be used instead of the word Yes. It is not certain where the word "OK" originally comes from, …