The meaning of OK is all right. How to use OK in a sentence. 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, acknowledgment, or a sign of indifference. OK is frequently used as a loanword in other languages. 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 approval, agreement, or endorsement. 10. to endorse or indicate approval of; authorize. 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. Many learners ask: Which one is correct: Okay or Ok? Do they mean the same thing? Is one more formal than the other? This detailed guide will answer all of these questions clearly, simply, and in a fun way. By the end, you will confidently know when to use okay and when to use ok, just like a native English speaker. What Are “Okay” and. 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 is an informal term commonly used to convey agreement, acceptance, or understanding. It is often used as a response to a request or statement, indicating that one agrees with or acknowledges what has been said. 🎶 Forrest Frank - OKAY! (Lyrics) Lord, I'm just grateful that I got to wake up today 🔔 Subscribe and turn on notifications to stay updated with new upload. You can say ' Okay? ' to check whether the person you are talking to understands what you have said and accepts it. Provided to YouTube by river house records OKAY!.