Synonyms for Sure thing:

• adj.

  •certain (adjective)
  • SAFER,
  • evident,
  • inarguable,
  • unassailable,
  • safest,
  • incontestable,
  • unerring,
  • having down pat,
  • undisputable,
  • establishable,
  • confirmable,
  • positive,
  • in the bag,
  • on ice.
  •incontestable (adjective)
  • in contestable,
  • in-contestable.
  •incontrovertible (adjective)
  • in-disputable,
  • in disputable,
  • more unequivocable,
  • un-shakable,
  • most uncontestable,
  • most unequivocable,
  • un-contestable,
  • un contestable,
  • in-controvertible,
  • more uncontestable,
  • in controvertible,
  • un shakable,
  • un-questionable.
  •secure (adjective)
  • most shooin,
  • selfassured,
  • more reassured,
  • more unanxious,
  • most shoo-in,
  • self confident,
  • self assured,
  • re assured,
  • un anxious,
  • most undoubtful,
  • most reassured,
  • re solute,
  • most unanxious,
  • re-assured,
  • more undoubtful,
  • un-doubtful,
  • re-solute,
  • more shoo-in,
  • un doubtful,
  • more shoo in,
  • cinchest,
  • more shooin,
  • wellfounded,
  • un-anxious,
  • well founded,
  • tried true,
  • selfconfident,
  • most shoo in.
  •undeniable (adjective)
  • no ifs and buts,
  • more unanswerable,
  • no ifs or buts,
  • no ifs buts,
  • un-deniable,
  • un deniable,
  • most unanswerable,
  • un-answerable,
  • un answerable,
  • open shut.
  •undisputable (adjective)
  • un disputable,
  • un-disputable.

• adv

  •absolutely (adverb)
  • on the button,
  • come hell or high water,
  • no ifs ands or buts,
  • very thing,
  • no strings attached,
  • straight out,
  • sure enough,
  • sure as can be,
  • decisively,
  • unambiguously,
  • categorically,
  • sure as hell,
  • the very thing.
  •for sure (adverb)
  • for a fact,
  • dead sure,
  • no two ways about it,
  • no question,
  • for real,
  • for certain.
  •indeed (adverb)
  • to be sure,
  • undeniably,
  • in deed,
  • veritably,
  • in truth,
  • be sure,
  • in point of fact.
  •precisely (adverb)
  • as well,
  • smack dab,
  • to a tee.

• adv.

  •absolutely (adverb)
  • on the money.
  •for sure (adverb)
  • no doubt.
  •indeed (adverb)
  • naturally,
  • very much.
  •precisely (adverb)
  • squarely,
  • the ticket.
  •uh-huh (adverb)
  • uh huh,
  • uhhuh.
  •yes (adverb)
  • by means,
  • in dubitably,
  • in-dubitably.

• n.

  •
  • winner,
  • safe investment,
  • safe venture.
  •
  • cinch.
  •assurance (noun)
  • pro mises,
  • pro-mise,
  • shooin,
  • rain shine,
  • pro mise,
  • word honor,
  • lock ons,
  • pro-mises,
  • shoo in.
  •attribute (noun)
  • sure thing.
  •certain thing (noun)
  • lock,
  • open-and-shut case,
  • dead certainty,
  • all sewn up,
  • positiveness,
  • destiny,
  • sure bet,
  • surefire,
  • belief,
  • shoo-in,
  • open and shut case,
  • small risk,
  • definiteness,
  • surety,
  • cert,
  • safe bet.
  •certainty (noun)
  • lockup,
  • dogmatism,
  • staunchness,
  • positivism,
  • wrap-up,
  • Authoritativeness,
  • inevitability,
  • inevitable result,
  • inevitabilities,
  • Indubitableness.
  •dollars to doughnuts (noun)
  • dollars buttons,
  • dollars button,
  • dollars dumplings,
  • dollars cobwebs,
  • dollars dumpling,
  • dollars cobweb,
  • dollars to dumpling,
  • dollars-doughnuts,
  • dollars to cobweb,
  • dollars to button,
  • dollars doughnuts.
  •foregone conclusion (noun)
  • par for course,
  • preconceived opinions,
  • surefire proposition,
  • sure fire propositions,
  • foregone-conclusion,
  • surefire propositions,
  • matter course,
  • sure fire proposition,
  • sure-fire propositions.
  •guarantee (noun)
  • recognizance,
  • Certifications,
  • recognizances,
  • earnests,
  • gage,
  • gages,
  • certification.
  •picnic (noun)
  • childs play,
  • smooth sailings,
  • no troubles,
  • piece cake,
  • light works,
  • child play.
  •triumph (noun)
  • hole one,
  • sur mounting,
  • vanquishings,
  • smash hits,
  • smashhits,
  • sur mountings,
  • big hits,
  • smashhit,
  • smash-hits,
  • the golds,
  • surmountings,
  • sur-mountings,
  • sur-mounting,
  • feather cap,
  • clean sweeps.

• Other synonyms:

  •
  • sure.
  •Other relevant words:
  • hear,
  • possibility,
  • child's play,
  • alright,
  • probability,
  • actuality,
  • good,
  • good chance,
  • rather,
  • sporting chance,
  • yeah,
  • surely,
  • indeedy,
  • yea,
  • good possibility,
  • snap,
  • walk-over,
  • assuredly,
  • okay,
  • best bet,
  • oui,
  • really,
  • alrighty,
  • right,
  • fact,
  • amen,
  • certainly,
  • as you say,
  • just so,
  • ok,
  • positively,
  • reality,
  • lead-pipe cinch,
  • odds-on,
  • natural,
  • breeze,
  • truly,
  • be axiomatic,
  • piece of cake,
  • yes indeed,
  • likelihood,
  • righto,
  • fine,
  • all right,
  • doddle,
  • quite,
  • exactly,
  • Aye,
  • truth.

Antonyms for Sure thing:

• n.

  • attribute
    uncertainty.
  • Other antonyms:
    dark horse, long shot, uncertainness.

Hypernym for Sure thing:

• n.

  • attribute
    inevitability, indisputability, predictability, moral certainty, surety, unquestionability, ineluctability, unquestionableness, indubitability, inevitableness, cert, slam dunk, unavoidability.

Hyponym for Sure thing:

• n.

  • attribute
    quality.