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.

Okay is used as an adverb in informal speech, meaning ‘all right’, ‘neither well nor badly’: …

“OK” is more informal and versatile, while “Okay” is more formal and emphatic. Understanding these subtle differences can help you choose the right word for the right situation.

Okay definition: a variant of OK.. See examples of OKAY used in a sentence.

You can say ' Okay? ' to check whether the person you are talking to understands what you have said and accepts it.

What Is the Origin of the "Okay"? The abbreviation "OK" (which later turned into the globally used word "okay") was first noted in 1839 in the office of Charles Gordon Greene at the Boston Morning Post. …

Aug 19, 2025 · “Okay” is generally considered more formal and is often preferred in written communication. “Ok” is more common in informal settings like text messages and casual conversations.

She's an OK [= fair] player. He's okay [=he is not bad] at math, but he really likes history. The movie was just OK.

3 days ago · Definitions of okay adjective being satisfactory or in satisfactory condition “things are okay ” synonyms: all right, fine, hunky-dory, o.k., ok satisfactory giving satisfaction