The adj sure has 9 senses (first 5 from tagged texts)
1. (51) 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")
2. (23) 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")
3. (4) 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")
4. (1) sure -- (physically secure or dependable; "a sure footing"; "was on sure ground")
5. (1) certain, sure -- (reliable in operation or effect; "a quick and certain remedy"; "a sure way to distinguish the two"; "wood dust is a sure sign of termites")
6. sure, trusted -- ((of persons) worthy of trust or confidence; "a sure (or trusted) friend")
7. sure -- (infallible or unfailing; "a sure (or true) sign of one's commitment")
8. sure -- (certain not to fail; "a sure hand on the throttle")
9. indisputable, sure -- (impossible to doubt or dispute; "indisputable (or sure) proof")
Overview of adv sure
The adv sure has 1 sense (first 1 from tagged texts)
1. (18) 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")