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” 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.

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. …

Okay is used as an adverb in informal speech, meaning ‘all right’, ‘neither well nor badly’: Even though I had never slept in a tent, in a sleeping bag or had any experience canoeing, I did OK.

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.

Dec 8, 2025 · Okay vs Ok: what’s correct? This student-friendly grammar guide explains spelling, usage, examples, rules, and exercises for English learners.

5 days ago · Despite OK's ubiquity, many people don't know the words behind this two-letter agreement.

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.