Thesaurus

sure

adjective

Synonyms and Antonyms of sure

  1. 1 having or showing a mind free from doubt are you absolutely sure that she said she was coming today? Synonyms of sure assured, clear, cocksure, confident, doubtless, implicit, positive, sanguine, certainWords Related to sure self-assured, self-conceited, self-confident; decisive, resolute, unfaltering, unhesitating, unquestioning, unwaveringNear Antonyms of sure hesitant, indecisive, vacillating, wavering; diffident, unassumingAntonyms of sure doubtful, dubious, uncertain, unsure

  2. 2 impossible to avoid or evade the joke's a sure dud if you don't pause in the right places Synonyms of sure certain, ineluctable, ineludible, inescapable, necessary, inevitable, unavoidable, unescapableWords Related to sure decided, definite, settled; likely, possible, probable; destined, fated, foreordained, predestined, predetermined, preordained; inexorable, relentless, unremitting, unstoppableNear Antonyms of sure preventable (also preventible); doubtful, dubious, questionable, shaky, unclear; undecided, unsettled; undependable, unreliable; improbable, unlikelyAntonyms of sure avoidable, evadable, uncertain, unsure

  3. 3 not likely to fail a sure cure for the winter blues—a week in the Bahamas Synonyms of sure can't-miss, certain, fail-safe, infallible, surefire, unfailingWords Related to sure dependable, reliable; deadly, unerringNear Antonyms of sure doubtful, questionable, uncertainAntonyms of sure fallible

  4. 4 worthy of one's trust a sister is a sure friend for life Synonyms of sure calculable, good, reliable, responsible, safe, secure, solid, steady, dependable, tried, tried-and-true, true, trustable, trustworthy, trustyWords Related to sure constant, devoted, faithful, fast, loyal, staunch (also stanch), steadfast, true-blue; honest, sincere, single-minded; infallible, unerring; bedrock, firm, sound, strong; effective, telling; attested, authenticated, confirmed, proven, valid, validated, verified; blameless, faultless, guiltless, impeccable, inerrant, irreproachable, unimpeachable, unquestionableNear Antonyms of sure disloyal, faithless, false, fickle, inconstant, perfidious, recreant, traitorous, treacherous, unfaithful, untrue; deceitful, dishonest, lying, mendacious, untruthful; debatable, disputable, doubtable, doubtful, dubious, fishy, problematic (also problematical), questionable, shady, shaky, suspect, uncertain, unsound; hazardous, risky; unconfirmed, untriedAntonyms of sure dodgy [chiefly British], uncertain, undependable, unreliable, unsafe, untrustworthy

  5. 5 not capable of being challenged or proved wrong no sure evidence that life exists on other planets Synonyms of sure accomplished, certain, inarguable, incontestable, incontrovertible, indisputable, indubitable, irrefragable, positive, irrefutable, unanswerable, unarguable, unchallengeable, undeniable, unquestionableWords Related to sure unambiguous, unequivocal; absolute, clear, conclusive, decisive, definite, hands-down; uncontested, uncontradicted, undisputed, unquestionedNear Antonyms of sure controversial, debated, disputed; doubtful, dubious, iffy, inconclusive, indecisive, uncertain; ambiguous, equivocal; academic (also academical), hypothetical, speculative, theoretical (also theoretic)Antonyms of sure answerable, arguable, contradictable, controvertible, debatable, disputable, doubtable, moot, negotiable, problematic (also problematical), questionable, refutable

Synonym Discussion of sure

sure, certain, positive, cocksure mean having no doubt or uncertainty. sure usually stresses the subjective or intuitive feeling of assurance.
    • felt sure that I had forgotten something
certain may apply to a basing of a conclusion or conviction on definite grounds or indubitable evidence.
    • police are certain about the cause of the fire
positive intensifies sureness or certainty and may imply opinionated conviction or forceful expression of it.
    • I'm positive that's the person I saw
cocksure implies presumptuous or careless positiveness.
    • you're always so cocksure about everything

sure

adverb

Synonyms and Antonyms of sure



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