sure

/ʃʊr/

adjective★Beginner— certain or confident

informal

Having no doubt; confident in something

I'm sure she'll arrive on time.

Expressing confidence in someone's punctuality.

Are you sure about your answer?

Seeking confirmation to ensure accuracy.

💡

Often used in questions to confirm or verify information.

formal

Certain to happen or be the case

The project is sure to succeed with this team.

Predicting a positive outcome with certainty.

💡

Used to express inevitability or strong likelihood.

Collocations

sure thinga definite or certain outcomesure enoughas expected or predictedsure betsomething certain to happen or succeed

a certain or guaranteed outcome

as expected or predicted

something certain to happen or succeed

Use 'sure' to express confidence or to seek confirmation in questions.

'Sure' is often used in questions to confirm information, e.g., 'Are you sure?'

From Middle English 'sure', from Old French 'seür', from Latin 'securus' meaning 'free from care, secure'.

Commonly used in questions to seek confirmation or in statements to express certainty.

English Dictionary