ok

Everyday

1. All right; acceptable; good enough: «Is it OK if I sit here?» tree →
2. Well; not ill or hurt: «Are you OK?» tree →
3. (exclamation) Yes, I agree: «OK, let's go!» tree →
4. (verb, informal) To give permission: «Mum OK'd the trip». tree →

In the lessons

In everyday life: one of the commonest words in English; «Are you OK?» is a key safety and kindness question — if someone is not OK, tell a trusted adult. In wellbeing lessons: «It's OK to feel sad». In stories «OK» starts a decision. Phrases: «Is it OK if…?», «that's OK», «it's going to be OK», «OK?».

Examples

• Are you OK? You look sad. tree →
• Is it OK if I borrow your pencil? tree →
• OK, let's start the game. tree →
• The food was OK, but not great. tree →
• It's OK to make mistakes. tree →
• Mum said it was OK for me to go to the party. tree →
• The teacher OK'd our plan. tree →

Note

Spelled OK, O.K. or okay — all correct; a lower-case «ok» is common in texts. «OK» is informal; in formal writing use «all right», «acceptable» or «yes». «OK» does not mean «excellent», only «good enough».