OK
- 1Allowed or acceptable, or having no objection to something.
Is it OK if I bring my dog to the party?
It's OK to ask for help when you need it.
Similaracceptable, allowed, permissible, fine, alright
Oppositeunacceptable, forbidden
Note
- 2
- 3Good enough, but not great.
The movie was OK, but the book was better.
I got an OK grade on the test, not great but not bad.
Similardecent, adequate, passable, reasonable, satisfactory
Note
- 4Said at the start of a sentence to make people listen to what comes next.
OK, everyone, the bus leaves at noon, so don't be late.
OK, this part of the recipe is really important.
Similarnow
- 5
- 6In a way that is good enough.
My new shoes fit OK, so I kept them.
Can you hear me OK on this phone?
Similarfine, well, adequately, satisfactorily
- 7Said as a question at the end of something you say or ask, to check that the other person understands or agrees.
Be home by nine, OK?
I'll call you when I get there, OK?
Similarright
Note
- 8A yes from someone that shows they approve or agree.
Wait for the doctor's OK before you play soccer again.
Dad gave his OK, so we can stay out until ten.
Similargo-ahead, approval, permission, consent
Note
- 9Clicked or chosen on a computer to close a message box or say yes to a question.
Click OK to close the message.
A box popped up, and I pressed OK without reading it.
Note
- 10Abbreviation of Oklahoma. Used for the state in mailing addresses.
Please mail the forms to 200 Main Street, Norman, OK 73069.
Her driver's license says she lives in Lawton, OK.
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Less common meanings
- 11
- 12Said when you break in while someone is talking, to ask them to let you speak.
"You always leave your shoes by the door, and you never..." "OK, OK, let me say something."
"Then I went to the store, and then I..." "OK, wait, I have a question."
Similarwait
Note
- 13Karaoke, where people take turns singing along to recorded music.
After dinner, we went to sing OK with our cousins.
My uncle loves OK and always picks old love songs.
Similarkaraoke
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Showing meanings only.
Practice
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Origins
Its origin is not certain, but it most likely comes from "oll korrect", a joking spelling of "all correct" used in the United States in 1839.
Checked 31 Oct 2026 · 4 facts
- The origin of OK is disputed. en.wiktionary.org
- The most widely accepted origin is an abbreviation of "oll korrect". files.eric.ed.gov
- "Oll korrect" is a humorous spelling of "all correct". en.wiktionary.org
- The proposed abbreviation was used in the United States in 1839. en.wikipedia.org
Possibly a short form of the Chinese word 卡拉OK.