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.

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 word, with …

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. …

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

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.

2. correct, permissible, or acceptable. 3. feeling well. 4. safe; sound. 5. adequate but unremarkable. 6. estimable, likable, or dependable. 7. all right; well enough; successfully; fine: He sings OK. n. 9. an …