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’: …

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 …

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

OK meaning: 1 : used to ask for or express agreement, approval, or understanding; 2 : used for emphasis at the beginning of a statement

“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.

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

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

OK From Longman Dictionary of Contemporary English OK1, okay /ˌəʊ ˈkeɪ $ ˌoʊ-/ S1 interjection 1 used to show that you agree with something or give permission for someone to do …