Meaning

• Endorsement; approval.

  "We can start as soon as we get the OK."

Meaning

• To approve.

  "I don't want to OK this amount of money."

• To confirm by activating a button marked OK.

Meaning

• All right, permitted.

  "Do you think it's OK to stay here for the night?"

• Satisfactory, reasonably good; not exceptional.

  "The soup was OK, but the dessert was excellent."

• In good health or a good emotional state.

  "He's not feeling well now, but he should be OK after some rest."

Meaning

• Satisfactorily, sufficiently well.

  "The team did OK in the playoffs."

Meaning

• Used to indicate acknowledgement or acceptance.

  "I promise to give it back. – OK."

• Used to introduce a sentence in order to draw attention to the importance of what is being said.

  "OK, I'm thinking of a number…"

• Used in turn-taking, serving as a request to the speaker to grant the turn to the interrupter.

  "You always do this to me! When we were at your mother’s, you said that… – OK, OK, …"