Adjective sure has 9 senses
- certain, sure - having or feeling no doubt or uncertainty; confident and assured; "felt certain of success"; "was sure (or certain) she had seen it"; "was very sure in his beliefs"; "sure of her friends"
Antonyms: uncertain, unsure, incertain, ambivalent, doubtful, dubious, groping, hesitant
- certain, sure - exercising or taking care great enough to bring assurance; "be certain to disconnect the iron when you are through"; "be sure to lock the doors"
Antonym: careless (indirect, via careful)
- certain, sure - certain to occur; destined or inevitable; "he was certain to fail"; "his fate is certain"; "In this life nothing is certain but death and taxes"- Benjamin Franklin; "he faced certain death"; "sudden but sure regret"; "he is sure to win"
- sure - physically secure or dependable; "a sure footing"; "was on sure ground"
Antonyms: insecure, unsafe (indirect, via secure)
- certain, sure - capable of being depended on; "a quick and certain remedy"; "a sure way to distinguish the two"; "wood dust is a sure sign of termites"
Antonyms: unreliable, undependable (indirect, via reliable, dependable)
Antonyms: unreliable, undependable (indirect, via reliable, dependable)
- sure, trusted - (of persons) worthy of trust or confidence; "a sure (or trusted) friend"
Antonyms: untrustworthy, untrusty (indirect, via trustworthy)
- sure - infallible or unfailing; "a sure (or true) sign of one's commitment"
Antonym: false (indirect, via true)
- sure - certain not to fail; "a sure hand on the throttle"
Antonym: unsteady (indirect, via steady)
- indisputable, sure - impossible to doubt or dispute; "indisputable (or sure) proof"
Antonym: uncertain (indirect, via certain)
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Adverbial sure has 1 sense
- surely, certainly, sure, for sure, for certain, sure enough, sure as shooting - definitely or positively (`sure' is sometimes used informally for `surely'); "the results are surely encouraging"; "she certainly is a hard worker"; "it's going to be a good day for sure"; "they are coming, for certain"; "they thought he had been killed sure enough"; "he'll win sure as shooting"; "they sure smell good"; "sure he'll come"
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