sure definition

1. physically secure or dependable
• examples: a sure footing
• examples: was on sure ground
2. (of persons) worthy of trust or confidence
• examples: a sure (or trusted) friend
3. infallible or unfailing
• examples: a sure (or true) sign of one's commitment
4. certain not to fail
• examples: a sure hand on the throttle
5. definitely or positively (`sure' is sometimes used informally for `surely')
• examples: the results are surely encouraging
• examples: she certainly is a hard worker
• examples: it's going to be a good day for sure
• examples: they are coming, for certain
• examples: they thought he had been killed sure enough
• examples: he'll win sure as shooting
• examples: they sure smell good
• examples: sure he'll come