Synonyms of sure in English:

sure


See definition of sure

adjective

1‘I am sure that they did not have an affair’

SYNONYMS

certain, positive, convinced, definite, confident, decided, assured, secure, satisfied, persuaded, easy in one's mind, free from doubt

unhesitating, unwavering, unfaltering, unvacillating, unshakeable, unshaken

ANTONYMS

unsure, uncertain, doubtful

2‘he was sure of finding a way around the difficulties’

SYNONYMS

confident, certain, assured

with no doubts about

3‘someone was sure to cop it before the day was out’

SYNONYMS

bound, destined, fated, predestined, very likely

British informal nailed on

ANTONYMS

unlikely

4‘this is a very attractive way of presenting fruit and is a sure winner with the children’

SYNONYMS

guaranteed, unfailing, infallible, unerring, assured, certain, inevitable, incontestable, irrevocable

informal sure-fire, in the bag, as sure as eggs is eggs

5‘he could have thrown his servant into the street in the sure knowledge that it would be put down to robust good humour’

SYNONYMS

unquestionable, indisputable, incontestable, irrefutable, incontrovertible, undeniable, indubitable, beyond question, beyond doubt

undoubted, absolute, categorical, true, certain, well grounded, well founded, proven, settled, decided

obvious, evident, plain, clear, conclusive, final, definite, unmistakable, manifest, patent

6‘he chewed his beard restlessly, a sure sign that he's worried’

SYNONYMS

reliable, dependable, trustworthy, unfailing, infallible, never-failing, certain, unambiguous, tested, tried and true, true, foolproof, established, effective, efficacious

informal sure-fire

7‘the sure hand of the soloist provides an atmospheric foil for the orchestra’

SYNONYMS

firm, steady, stable, secure, confident, solid, steadfast, unhesitating, unfaltering, unwavering, unswerving


exclamation

1‘‘Can I ask you something?’ ‘Sure.’’

SYNONYMS

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 send your press releases to the news desk’

      SYNONYMS

      remember to, don't forget to, make sure to, see that you, mind that you, take care to, be certain to, be careful to

      ANTONYMS

      neglect to, forget to

    for sure

      ‘she's guilty for sure’

      SYNONYMS

      definitely, surely, certainly, without doubt, without question, beyond any doubt, undoubtedly, indubitably, positively, absolutely, undeniably, unmistakably

    make sure

      ‘make sure that the pushchair you choose is covered in easy-clean fabrics’

      SYNONYMS

      check, confirm, make certain, ensure

      assure, verify, corroborate, validate, substantiate, guarantee