- free from doubt as to the reliability, character, action, etc., of something: to be sure of one's data.
- confident, as of something expected: sure of success.
- convinced, fully persuaded, or positive: to be sure of a person's guilt.
- assured or certain beyond question: a sure victory.
- worthy of confidence; reliable; stable: a sure messenger.
- unfailing; never disappointing expectations: a sure cure.
- unerring; never missing, slipping, etc.: a sure aim.
- admitting of no doubt or question: sure proof.
- destined; bound inevitably; certain: sure death.
- secure; safe.
- to take care (to be or do as specified); be certain: Be sure to close the windows.
- certainly; surely: It sure is cold out. Sure, I'll come.
- as a certainty; surely: It's going to be a good day, for sure.
- to be or become absolutely certain: I'm calling to make sure that you remember to come.
- as might have been supposed; actually; certainly: Sure enough, the picnic was rained out.
- to be sure,
- without doubt; surely; certainly.
- admittedly: She sings well, to be sure, but she can't act.
- free from hesitancy or uncertainty (with regard to a belief, conviction, etc)
- having no doubt, as of the occurrence of a future state or event
- always effective; unfailing
- reliable in indication or accuracy
- (of persons) worthy of trust or confidence
- not open to doubt
- admitting of no vacillation or doubt
- bound to be or occur; inevitable
- bound inevitably (to be or do something); certain
- physically secure or dependable
- free from exposure to harm or danger
- to be careful or certain
- without a doubt; surely
- make sure
- to make certain; ensure
- to establish or confirm power or possession (over)
- as might have been confidently expected; definitely: often used as a sentence substitute
- to be sure
- without doubt; certainly
- it has to be acknowledged; admittedly
- willingly; yes
- without question; certainly