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

    Back to top  
  • 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 cat
    remember to, don't forget to, see that you, mind that you, take care to, be certain to

    for sure

    informal I'll be there for sure

    make sure

    make sure that all the doors are locked
    check, confirm, make certain, ensure, assure;
    verify, corroborate, substantiate

    Definition of sure in:

    Get more from Oxford Dictionaries

    Subscribe to remove adverts and access premium resources

    Word of the day bogle
    Pronunciation: ˈbəʊɡ(ə)l
    noun
    a phantom or goblin