adjective

sure

Translation

certain, confident, of course

Are you sure about that?

It's a sure sign of winter.

Sure, I can help you.

((to be)) sure about ((sth.)) to be certain about (sth.) Are you sure about that?

((to be)) sure of ((sth.)) to be confident about (sth.) I'm sure of his ability.

((to be)) sure to ((do sth.)) to be certain to (do sth.) He is sure to win.

Sure (interjection) Yes, of course. 'Can you help?' 'Sure.'

Synonyms: certain, confident, positive; Antonyms: unsure, uncertain, doubtful

From Old French 'seur' (safe), from Latin 'securus' (free from care).

Think of 'security'. When you feel secure, you are 'sure'.