Synonyms of sure in English:

sure

adjective

  • 1 I am sure that they didn't know
    certain, positive, convinced, confident, definite, assured, satisfied, persuaded; unhesitating, unwavering, unshakable
    [Antonyms] uncertain doubtful
  • 2 someone was sure to be blamed
    bound, likely, destined, fated
    [Antonyms] unlikely
  • 3 a sure winner with the children
    guaranteed, unfailing, infallible, unerring, assured, certain, inevitable
    informal sure-fire
    [Antonyms] uncertain unlikely
  • 4 he entered in the sure knowledge that he would win
  • 5 a sure sign that he's worried
    reliable, dependable, trustworthy, unfailing, infallible, certain, unambiguous, true, foolproof, established, effective
    informal sure-fire
    formal efficacious
  • 6 the sure hand of the soloist
    firm, steady, stable, secure, confident, steadfast, unfaltering, unwavering
  • exclamation

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  • 1 “Can I come too?” “Sure.”
    yes, all right, of course, indeed, certainly, absolutely, agreed
    informal OK, yeah, yep, uh-huh, you bet, I'll say, sure thing
  • Phrases

    be sure to

    be sure to feed the catremember todon't forget tosee that youmind that youtake care tobe certain to

    for sure

    informal I'll be there for suredefinitelysurelycertainlywithout doubtwithout questionundoubtedlyindubitablyabsolutelyundeniablyunmistakably

    make sure

    make sure that all the doors are lockedcheckconfirmmake certainensureassureverifycorroboratesubstantiate

    Definition of sure in:

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