OK · exclamation /oʊˈkeɪ/Full view
OK (AGREEING)
A1 used when agreeing to do something or when allowing someone to do something
Dictionary examples:

"Could you pick me up at the train station?" "OK, what time?"

"I'll pay you back tomorrow." "OK, no problem."

Learner example:

OK. See you for dinner! (Skills for Life (Entry 1); A1; Polish)

OK (UNDERSTAND)
A2 used to check that someone understands something or that they agree to something
Dictionary examples:

So I'll get the food and you can get the drink, OK?

I'll see you at six-thirty, okay?

Learner example:

Don't forget to wear [an] old shirt and jeans, okay? (Key English Test; A2; Portuguese)

OK (ACTION)
A2 used as a way of showing that you are going to take action, start speaking or start something new
Dictionary examples:

OK then, if you're ready we'll get started.

Okay, let's go.

OK · adjective /oʊˈkeɪ/
OK (NOT SICK/UPSET, ETC.)
A1 not sick, damaged, upset, etc.
Dictionary examples:

Are you OK? You look pale.

How's Paola? Is she okay after her fall yesterday?

"Is everything OK with you?" "Yes, fine."

I'll just check that the car's okay - that was a big bang!

Learner example:

Hi, Ramesh, What are you doing? Are you OK? (Skills for Life (Entry 1); A1; Spanish)

OK (GOOD)
A2 good or good enough
Dictionary examples:

Is your food OK?

"Did you have a nice dinner out last night?" "It was OK."

Her voice is OK, but nothing special.

Learner example:

Well, about the music, I think salsa and rock music [are] OK. (Key English Test; A2; Spanish)

OK (ALLOWED)
A2 allowed or acceptable
Dictionary examples:

Is it OK if I bring a friend to the party?

Is it okay to eat in here?

If it's okay with you, I'll leave the grocery shopping till tomorrow.

Learner example:

Dear Ally, It's okay that you couldn't come. (Key English Test; A2; Chinese)

OK · adverb /oʊˈkeɪ/
OK
A2 in a satisfactory way
Dictionary examples:

Everything was going OK until the printer stopped working.

Did you sleep okay?

I just called to make sure that you got home okay.

Learner example:

Finally the day finished OK. (Preliminary English Test; B1; Catalan)

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