Synonyms for Definitive:

• adj.

  •all (adjective)
  • determinate,
  • unequivocal.
  •authoritative (adjective)
  • absolute,
  • actual,
  • categorical,
  • clear-cut,
  • closing,
  • complete,
  • completing,
  • concluding,
  • conclusive,
  • decisive,
  • definite,
  • determining,
  • downright,
  • ending,
  • exhaustive,
  • express,
  • final,
  • finishing,
  • flat out,
  • last,
  • limiting,
  • perfect,
  • plain,
  • precise,
  • real,
  • reliable,
  • settling,
  • specific,
  • terminal,
  • ultimate,
  • unambiguous,
  • Terminating,
  • nailed down.
  •categorical (adjective)
  • positive.
  •final (adjective)
  • last.
  •last (adjective)
  • rearmost,
  • lattermost.
  •meaningful (adjective)
  • communicative,
  • descriptive,
  • explanatory,
  • explicit,
  • indicative,
  • meaningful,
  • purposeful,
  • relevant,
  • significant,
  • topical,
  • denotational.
  •restrictive (adjective)
  • restrictive.

• n.

  •
  • authentic,
  • certain,
  • definitely,
  • firm,
  • realistic,
  • undeniable.
  •
  • absolute,
  • ideal.
  •
  • consummate,
  • exhaustive,
  • reliable.
  •
  • decisive,
  • determinative,
  • final.
  •decisive (noun)
  • absolute,
  • final,
  • ultimate.
  •definitive (noun)
  • authoritative,
  • classical,
  • conclusive,
  • determinate,
  • explicit,
  • expressed,
  • standard,
  • unequivocal.

• v.

  •limiting (verb)
  • clear-cut,
  • definite,
  • plain,
  • precise.

• Other synonyms:

  •
  • accurate,
  • determinative,
  • emphatic.
  •conclusive
  • conclusive,
  • final.
  •crucial
  • decisive.
  •deciding
  • determining.
  •provisional
  • restrictive.
  •Other relevant words:
  • abolition,
  • absolute,
  • absolutely,
  • accepted,
  • accurate,
  • accurately,
  • actual,
  • actually,
  • affirm,
  • affirmative,
  • aftermath,
  • all-out,
  • apparently,
  • approve,
  • approved,
  • archetypal,
  • arrant,
  • assert,
  • assertive,
  • assuredly,
  • authentic,
  • authoritative,
  • authoritatively,
  • authorized,
  • beyond doubt,
  • blunt,
  • bona fide,
  • boundary,
  • brave,
  • broad,
  • can,
  • categoric,
  • categorical,
  • categorically,
  • caudal,
  • cease,
  • certain,
  • certainly,
  • cessation,
  • circumscribed,
  • clarifying,
  • classic,
  • classical,
  • clean-cut,
  • clear,
  • clear-cut,
  • clearly,
  • clinch,
  • closing,
  • closure,
  • complete,
  • completely,
  • completing,
  • completion,
  • conclude,
  • concluding,
  • conclusion,
  • conclusive,
  • conclusively,
  • concrete,
  • confident,
  • confining,
  • confirm,
  • consequence,
  • consummate,
  • corroborate,
  • crass,
  • critic,
  • critical,
  • crowning,
  • crucial,
  • decided,
  • decidedly,
  • decisive,
  • decisively,
  • defined,
  • defining,
  • definite,
  • definitely,
  • delineated,
  • delineative,
  • determinate,
  • determinative,
  • determine,
  • determined,
  • determiner,
  • determining,
  • direct,
  • discontinue,
  • dismiss,
  • dissolution,
  • dissolve,
  • distinct,
  • dogged,
  • dogmatic,
  • doubtless,
  • downright,
  • drop,
  • earnest,
  • effect,
  • egregious,
  • emphatic,
  • emphatically,
  • end,
  • ending,
  • endmost,
  • energetic,
  • entire,
  • entirely,
  • establish,
  • established,
  • eventual,
  • eventually,
  • evidently,
  • exact,
  • exactly,
  • exclusive,
  • exhaustive,
  • expiration,
  • expiry,
  • explicitly,
  • express,
  • expressed,
  • expressly,
  • extreme,
  • farthest,
  • final,
  • finale,
  • finality,
  • finally,
  • finish,
  • finishing,
  • firm,
  • fix,
  • fixed,
  • fixedly,
  • flagrant,
  • flat,
  • flat out,
  • forceful,
  • formal,
  • forthright,
  • fully,
  • genuine,
  • glaring,
  • global,
  • graeco-roman,
  • gritty,
  • gross,
  • hard,
  • hellenic,
  • hindermost,
  • ideal,
  • immutable,
  • implicit,
  • important,
  • incisive,
  • incontestable,
  • incontrovertible,
  • indeed,
  • indicate,
  • indisputable,
  • individual,
  • indomitable,
  • indubitable,
  • inexorable,
  • inflexible,
  • insistent,
  • intense,
  • intolerable,
  • iron,
  • irrefutable,
  • irreversible,
  • irrevocable,
  • issue,
  • last,
  • leading,
  • limited,
  • limiting,
  • literal,
  • manifestly,
  • marked,
  • material,
  • model,
  • obstinate,
  • official,
  • out-and-out,
  • outcome,
  • outright,
  • outstanding,
  • paradigmatic,
  • particular,
  • patent,
  • payoff,
  • peculiar,
  • peremptory,
  • perfect,
  • perfectly,
  • physical,
  • plain,
  • plainly,
  • plump,
  • pointed,
  • polar,
  • positive,
  • positively,
  • precious,
  • precise,
  • precisely,
  • predetermined,
  • profound,
  • pronounced,
  • proper,
  • prototypical,
  • prove,
  • rank,
  • real,
  • realistic,
  • really,
  • rear,
  • rearmost,
  • redetermination,
  • regular,
  • regulative,
  • regulatory,
  • relentless,
  • reliable,
  • required,
  • resolute,
  • resolved,
  • restricted,
  • restricting,
  • restrictive,
  • result,
  • round,
  • self-possessed,
  • sequel,
  • set,
  • settled,
  • settling,
  • shattering,
  • shocking,
  • simple,
  • soi-disant,
  • solemn,
  • specially,
  • specific,
  • specified,
  • standard,
  • stark,
  • steady,
  • stop,
  • straight,
  • straight-out,
  • strong,
  • strong-minded,
  • strong-willed,
  • substantial,
  • superlative,
  • sure,
  • surely,
  • surpassing,
  • tail,
  • tangible,
  • terminal,
  • terminate,
  • termination,
  • terminative,
  • terminus,
  • textbook,
  • thorough,
  • thoroughgoing,
  • thoroughly,
  • through and through,
  • total,
  • treatise,
  • trenchant,
  • truly,
  • ultimate,
  • unalterable,
  • unambiguous,
  • unambiguously,
  • unbearable,
  • unchangeable,
  • uncompromising,
  • unconditional,
  • unconditionally,
  • unconditioned,
  • unconscionable,
  • undeniable,
  • unequivocal,
  • unequivocally,
  • unflinching,
  • unhampered,
  • unhesitating,
  • univocal,
  • unlimited,
  • unmistakable,
  • unmitigated,
  • unqualified,
  • unquestionable,
  • unquestioning,
  • unrelieved,
  • unreserved,
  • unrestricted,
  • unshrinking,
  • unspoiled,
  • upshot,
  • utter,
  • valid,
  • validate,
  • verify,
  • vigorous,
  • whole,
  • Definitional,
  • Definitively,
  • Definitiveness,
  • Inappealable,
  • Indicated,
  • Limitary,
  • Terminating,
  • matter of fact,
  • Predicable,
  • Pronunciative,
  • undoubting,
  • lattermost,
  • Uncircumscribed,
  • Unretracted,
  • be sure,
  • without reserve,
  • without exception,
  • unmistakeable,
  • nailed down,
  • spelled out,
  • limitative.

Antonyms for Definitive:

• adj.

  • authoritative
    ambiguous, false, imprecise, incomplete, inconclusive, indefinite, inexact, interim, questionable, temporary, uncertain, unreliable, vague.
  • Other antonyms:
    ambiguous, atrocious, average, bad, circuitous, controversial, cryptic, dark, debatable, deficient, disappointing, disputable, disputed, doubtful, enigmatic, equivocal, execrable, failed, implicit, implied, imprecise, inaccurate, inadequate, incomprehensible, inconclusive, incorrect, indecisive, indefinite, inexact, inexplicit, inferior, low-grade, mediocre, moot, nonstandard, normal, obscure, ordinary, poor, problematic, questionable, refutable, representative, second-rate, substandard, typical, unclear, unintelligible, unsatisfactory, unspecific, vague, vile, wretched, Doubtable.

• Other antonyms:

  • n. t.
    ambiguous, atrocious, average, circuitous, controversial, cryptic, dark, debatable, deficient, disappointing, disputable, disputed, doubtful, enigmatic, equivocal, execrable, failed, false, implicit, implied, imprecise, inaccurate, inadequate, incomplete, incomprehensible, inconclusive, incorrect, indecisive, indefinite, inexact, inexplicit, inferior, interim, mediocre, moot, obscure, ordinary, poor, problematic, provisional, refutable, representative, second-rate, substandard, temporary, tentative, typical, uncertain, unclear, unintelligible, unreliable, unsatisfactory, unspecific, vague, vile, Debated, Doubtable, Inferred, second-class.