Synonyms and Antonyms of sure

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Synonyms, Thesaurus & Antonyms of 'sure'

1. (adj) certain(p), sure
having or feeling no doubt or uncertainty; confident and assured
Antonyms: uncertain, doubtful, dubious, unsafe, undependable, unreliable, groping, incertain, insecure, unsteady, false, unsure, ambivalent, untrusty, careless, untrustworthy

2. (adj) certain, sure
exercising or taking care great enough to bring assurance
Synonyms: certain(p), sealed, certain(a), trusted, indisputable, sure, certain
Antonyms: ambivalent, undependable, incertain, careless, unsure, unreliable, untrusty, dubious, false, unsafe, groping, uncertain, untrustworthy, insecure, doubtful, unsteady

3. (adj) certain, sure
certain to occur; destined or inevitable
Synonyms: certain(p), sealed, certain(a), trusted, indisputable, sure, certain
Antonyms: untrusty, unsafe, unsure, undependable, groping, untrustworthy, ambivalent, unreliable, uncertain, false, careless, dubious, unsteady, insecure, doubtful, incertain

4. (adj) sure
physically secure or dependable
Synonyms: certain(p), trusted, indisputable, certain
Antonyms: undependable, unreliable, unsafe, insecure, untrustworthy, ambivalent, dubious, careless, uncertain, incertain, unsteady, unsure, groping, doubtful, untrusty, false

5. (adj) certain, sure
reliable in operation or effect
Synonyms: certain(p), sealed, certain(a), trusted, indisputable, sure, certain
Antonyms: false, untrusty, unsteady, untrustworthy, undependable, insecure, uncertain, doubtful, ambivalent, unreliable, careless, unsafe, incertain, groping, unsure, dubious

6. (adj) sure, trusted
(of persons) worthy of trust or confidence
Synonyms: certain(p), sure, trusted, indisputable, certain
Antonyms: careless, insecure, undependable, untrusty, false, dubious, unreliable, incertain, doubtful, ambivalent, uncertain, unsafe, unsteady, groping, unsure, untrustworthy

7. (adj) sure
infallible or unfailing
Synonyms: certain(p), trusted, indisputable, certain
Antonyms: careless, unsteady, unsure, ambivalent, unreliable, uncertain, groping, doubtful, dubious, insecure, unsafe, false, undependable, untrusty, incertain, untrustworthy

8. (adj) sure
certain not to fail
Synonyms: certain(p), trusted, indisputable, certain
Antonyms: ambivalent, undependable, uncertain, untrusty, dubious, groping, untrustworthy, doubtful, unreliable, unsure, careless, false, unsteady, insecure, unsafe, incertain

9. (adverb) indisputable, sure
impossible to doubt or dispute
Synonyms: certain(p), incontestable, trusted, undisputable, sure, certain, indisputable
Antonyms: groping, undependable, dubious, unreliable, doubtful, unsure, careless, untrustworthy, unsteady, incertain, uncertain, unsafe, ambivalent, insecure, untrusty, false

10. (adverb) surely, certainly, sure, for sure, for certain, sure enough, sure as shooting
definitely or positively (`sure' is sometimes used informally for `surely')
Synonyms: certainly, surely, for sure, sure as shooting, sure, for certain, sure enough
Antonyms: careless, unreliable, groping, unsafe, doubtful, undependable, incertain, untrustworthy, unsteady, insecure, uncertain, unsure, dubious, ambivalent, untrusty, false

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