Synonyms for Significant:

• adj.

  •all (adjective)
  • important.
  •central (adjective)
  • outstanding,
  • pivotal.
  •critical (adjective)
  • climacteric,
  • high-priority.
  •designative (adjective)
  • Indicatory.
  •determinable (adjective)
  • measurable.
  •different (adjective)
  • unusual.
  •educational (adjective)
  • informative.
  •effective (adjective)
  • cogent.
  •far-reaching (adjective)
  • far-reaching.
  •historic (adjective)
  • famous,
  • memorable.
  •important (adjective)
  • cardinal,
  • central,
  • dominant,
  • especial,
  • eternal,
  • far-reaching,
  • focal,
  • high,
  • hot,
  • landmark,
  • major,
  • major league,
  • mere,
  • pivotal,
  • sacred,
  • sacrosanct,
  • serious,
  • signal,
  • special,
  • valuable,
  • vital,
  • all-consuming,
  • of moment,
  • big,
  • burning,
  • considerable,
  • newsworthy,
  • noteworthy.
  •important, critical (adjective)
  • big,
  • consequential,
  • considerable,
  • material,
  • meaningful,
  • notable,
  • noteworthy,
  • substantial,
  • vital,
  • carrying a lot of weight.
  •indicative (adjective)
  • symptomatic,
  • evidential,
  • Significatory.
  •life-and-death (adjective)
  • earthshaking,
  • earth-shattering,
  • earth-shaking.
  •meaningful (adjective)
  • communicative,
  • definitive,
  • descriptive,
  • explanatory,
  • explicit,
  • indicative,
  • purposeful,
  • relevant,
  • topical,
  • denotational,
  • meaningful,
  • notable,
  • vital.
  •oracular (adjective)
  • portentous.
  •preponderant (adjective)
  • preponderant.
  •relevant (adjective)
  • to the point.
  •representative (adjective)
  • symbolic.
  •revealing (adjective)
  • telltale.
  •serious (adjective)
  • of consequence,
  • no laughing matter.
  •substantial (adjective)
  • actual,
  • appreciable,
  • bodily,
  • considerable,
  • firm,
  • immanent,
  • important,
  • material,
  • meaningful,
  • palpable,
  • physical,
  • real,
  • solid,
  • sturdy,
  • substantial,
  • substantive,
  • tangible,
  • united.
  •telling, meaningful (adjective)
  • cogent,
  • compelling,
  • convincing,
  • eloquent,
  • expressive,
  • forceful,
  • heavy,
  • important,
  • indicative,
  • knowing,
  • meaning,
  • momentous,
  • powerful,
  • pregnant,
  • representative,
  • rich,
  • sententious,
  • serious,
  • sound,
  • suggestive,
  • symbolic,
  • valid,
  • weighty,
  • Denoting,
  • Expressing,
  • Facund.
  •unusual (adjective)
  • unwonted,
  • unordinary.

• n.

  •
  • enormous,
  • great,
  • high,
  • huge,
  • vast.
  •
  • eloquent,
  • express,
  • expressive,
  • show,
  • symbolic,
  • telling,
  • unambiguous,
  • illocutionary.
  •
  • suggestive.
  •
  • consequential,
  • historic.
  •evidence (noun)
  • evidence.
  •indication (noun)
  • index,
  • portent,
  • signifier.
  •significant (noun)
  • big,
  • considerable,
  • earthshaking,
  • epoch-making,
  • epochal,
  • evidential,
  • evidentiary,
  • fundamental,
  • head,
  • important,
  • key,
  • large,
  • meaning,
  • meaningful,
  • momentous,
  • monumental,
  • noteworthy,
  • operative,
  • portentous,
  • pregnant,
  • probative,
  • prodigious,
  • profound,
  • remarkable,
  • substantial,
  • world-shaking,
  • world-shattering.

• Other synonyms:

  •
  • emblematic,
  • much,
  • symbolic,
  • unambiguous,
  • paralinguistic,
  • illocutionary.
  •
  • consequential,
  • historic,
  • knowing,
  • meaty,
  • trenchant,
  • The.
  •
  • hour,
  • significantly.
  •
  • eloquent.
  •
  • meaning.
  •crucial
  • critical,
  • telling.
  •eloquent
  • expressive.
  •essential
  • necessary.
  •historic
  • memorable.
  •obvious
  • clear,
  • distinct,
  • distinctly,
  • glaring,
  • patent,
  • patently,
  • signally,
  • singularly,
  • unmistakable.
  •predominant
  • preponderant.
  •remarkable
  • remarkable,
  • unusual.
  •tattletale
  • telltale.
  •useful
  • helpful.
  •Other relevant words:
  • absolute,
  • abundant,
  • accessory,
  • active,
  • admissible,
  • adult,
  • advantageous,
  • affirm,
  • again,
  • akin,
  • allegorical,
  • allied,
  • allude,
  • allusive,
  • alpha,
  • ample,
  • ancillary,
  • anew,
  • anxious,
  • apparent,
  • applicable,
  • apposite,
  • appropriate,
  • apt,
  • arrant,
  • artful,
  • articulate,
  • assert,
  • associated,
  • associational,
  • august,
  • auspicious,
  • authentic,
  • authoritative,
  • authority,
  • awe-inspiring,
  • awesome,
  • awful,
  • bad,
  • based on,
  • basic,
  • beneficial,
  • big,
  • big league,
  • big time,
  • biggest,
  • biggish,
  • bigwig,
  • boastful,
  • bounteous,
  • bountiful,
  • brand,
  • burning,
  • busy,
  • canny,
  • cardinal,
  • catalytic,
  • catchy,
  • celebrated,
  • celebratory,
  • central,
  • certain,
  • character,
  • charged,
  • chief,
  • circumstantial,
  • classic,
  • clear,
  • climacteric,
  • clue,
  • cogent,
  • colossal,
  • compelling,
  • conclusive,
  • conducive,
  • connotational,
  • connotative,
  • connote,
  • consequence,
  • consequential,
  • considerably,
  • conspicuous,
  • conspiratorial,
  • consummate,
  • contributory,
  • controlling,
  • convincing,
  • crafty,
  • critic,
  • critical,
  • crucial,
  • crucially,
  • cumulative,
  • damning,
  • dangerous,
  • decided,
  • decisive,
  • declare,
  • deduce,
  • deep,
  • definable,
  • deliver,
  • demonstrative,
  • denotative,
  • denote,
  • derive,
  • designative,
  • detectable,
  • determinative,
  • diagnostic,
  • dignified,
  • discernible,
  • distinct,
  • distinctive,
  • distinctly,
  • distinguishable,
  • distinguished,
  • distinguishing,
  • documentary,
  • documented,
  • dominant,
  • dominating,
  • double,
  • double-barreled,
  • driving,
  • earthshaking,
  • effective,
  • effectiveness,
  • effectual,
  • efficacious,
  • egregious,
  • elder,
  • eloquent,
  • emblematic,
  • eminent,
  • emphasise,
  • emphatic,
  • enceinte,
  • enduring,
  • enormous,
  • entail,
  • epoch-making,
  • epochal,
  • especial,
  • essential,
  • essentially,
  • estimable,
  • eternal,
  • eventful,
  • evidence,
  • evident,
  • evidential,
  • evidentiary,
  • evince,
  • exceptional,
  • excess,
  • excessive,
  • exciting,
  • expectant,
  • express,
  • expressive,
  • extended,
  • extensional,
  • extensive,
  • extent,
  • extraordinary,
  • extreme,
  • eye-catching,
  • eyewitness,
  • factual,
  • fair,
  • famous,
  • far-reaching,
  • fateful,
  • festive,
  • figural,
  • figurative,
  • final,
  • firsthand,
  • fitting,
  • flagrant,
  • focal,
  • forceful,
  • foremost,
  • foreshadowing,
  • forewarning,
  • fraught,
  • full,
  • fully grown,
  • fundamental,
  • furthermore,
  • gala,
  • generous,
  • germane,
  • gesture,
  • gigantic,
  • giving,
  • glamorous,
  • glaring,
  • glorious,
  • good,
  • goodly,
  • grade,
  • grand,
  • grave,
  • gravid,
  • great,
  • greatly,
  • greatness,
  • grievous,
  • grown,
  • grownup,
  • guess,
  • guiding,
  • handsome,
  • head,
  • healthy,
  • hearsay,
  • hearty,
  • heaviness,
  • heavy,
  • heavyweight,
  • heinous,
  • helpful,
  • high,
  • high-powered,
  • highly,
  • historic,
  • honoured,
  • horrendous,
  • horrible,
  • horrific,
  • hot,
  • hour,
  • huge,
  • icon,
  • identifiable,
  • identifying,
  • ideographic,
  • idiosyncratic,
  • illustrious,
  • implicative,
  • implicit,
  • imply,
  • import,
  • importance,
  • importantly,
  • importunate,
  • imposing,
  • impressive,
  • in effect,
  • in essence,
  • incontrovertible,
  • index,
  • indicate,
  • indication,
  • indisputable,
  • individual,
  • induce,
  • inexpressive,
  • infer,
  • influential,
  • informative,
  • inordinate,
  • instrumental,
  • intelligible,
  • intensional,
  • interesting,
  • interpretable,
  • intuitive,
  • involve,
  • irrefutable,
  • irresistible,
  • iteration,
  • key,
  • knowing,
  • laden,
  • landmark,
  • large,
  • lasting,
  • layer,
  • leading,
  • lexeme,
  • liberal,
  • life-and-death,
  • life-or-death,
  • lively,
  • loaded,
  • magnanimous,
  • magnificent,
  • magnitude,
  • main,
  • major,
  • major league,
  • make sense,
  • mark,
  • marked,
  • marvellous,
  • mean,
  • meaning,
  • meaningfully,
  • measurable,
  • meaty,
  • memorable,
  • mere,
  • meritorious,
  • metaphorical,
  • mighty,
  • moderate,
  • moment,
  • momentous,
  • momentously,
  • monitory,
  • monumental,
  • more,
  • morpheme,
  • moving,
  • much,
  • name,
  • naming,
  • necessary,
  • newsworthy,
  • notable,
  • noted,
  • noteworthy,
  • notice,
  • noticeable,
  • obvious,
  • of import,
  • older,
  • ominous,
  • operative,
  • oracular,
  • out-and-out,
  • outstanding,
  • overwhelming,
  • paramount,
  • particular,
  • patent,
  • patently,
  • peculiar,
  • perceptible,
  • permanent,
  • persuasive,
  • pertinent,
  • phrase,
  • pithy,
  • pivotal,
  • point,
  • pointed,
  • portent,
  • portentous,
  • potent,
  • powerful,
  • precursory,
  • predictive,
  • predominance,
  • predominant,
  • prefigurative,
  • pregnant,
  • premonitory,
  • preponderant,
  • pressing,
  • prestigious,
  • presumptive,
  • prima,
  • primary,
  • prime,
  • principal,
  • principally,
  • private,
  • probative,
  • prodigious,
  • profound,
  • prognostic,
  • prognosticative,
  • prominent,
  • pronounce,
  • pronounced,
  • proper,
  • provocative,
  • quantifiable,
  • radical,
  • rare,
  • readable,
  • reasonable,
  • recognizable,
  • referential,
  • reflective,
  • related,
  • relative,
  • reliable,
  • remarkable,
  • renowned,
  • repeat,
  • repeatedly,
  • repetition,
  • representative,
  • respectable,
  • respected,
  • restless,
  • revealing,
  • revelatory,
  • rich,
  • sacred,
  • sacrosanct,
  • salient,
  • satisfactory,
  • satisfying,
  • say,
  • score,
  • secret,
  • self-important,
  • semantic,
  • semiotic,
  • sense,
  • sensible,
  • sententious,
  • serious,
  • seriously,
  • show,
  • shrewd,
  • sign,
  • signal,
  • signally,
  • significance,
  • significantly,
  • significative,
  • signifier,
  • singular,
  • singularly,
  • sizable,
  • sizeable,
  • sly,
  • sober,
  • solemn,
  • solemnly,
  • sound,
  • special,
  • spectacular,
  • staggering,
  • stand out,
  • strategic,
  • striking,
  • strong,
  • stupendous,
  • substantially,
  • suggestive,
  • suited,
  • superior,
  • supporting,
  • supportive,
  • sure,
  • symbol,
  • symbolic,
  • symbolical,
  • symptom,
  • symptomatic,
  • telling,
  • telltale,
  • term,
  • terrible,
  • terrific,
  • then,
  • thought-provoking,
  • tidy,
  • to the point,
  • token,
  • tolerable,
  • trenchant,
  • true,
  • type,
  • typical,
  • ultimate,
  • unambiguous,
  • understand,
  • unexpressive,
  • unforgettable,
  • unforgivable,
  • unique,
  • unmistakable,
  • unsurpassable,
  • unusual,
  • unwonted,
  • urgent,
  • useful,
  • utilitarian,
  • vacant,
  • vainglorious,
  • valid,
  • valuable,
  • valued,
  • vast,
  • very,
  • vital,
  • warning,
  • weigh,
  • weightily,
  • weighty,
  • well-known,
  • wily,
  • wonderful,
  • wondrous,
  • word,
  • world-shaking,
  • world-shattering,
  • worst,
  • worthwhile,
  • worthy,
  • yet,
  • Adducible,
  • Attestative,
  • Attestive,
  • Augural,
  • Augurial,
  • Augurous,
  • Auspicial,
  • Denominative,
  • Denoting,
  • Exhibitive,
  • Ex parte,
  • Expressing,
  • Extispicious,
  • Facund,
  • Famed,
  • Foretokening,
  • Indicating,
  • Indicatory,
  • Marrowy,
  • Nuncupative,
  • Pathognomonic,
  • Red-letter,
  • Signalizing,
  • Significatory,
  • Signifying,
  • The,
  • Transferred,
  • Precursive,
  • Presageful,
  • Presaging,
  • Probatory,
  • Symbolistic,
  • Symbological,
  • acclaimed,
  • forerunning,
  • big-name,
  • unordinary,
  • paralinguistic,
  • illocutionary,
  • earth-shattering,
  • all-consuming,
  • eye-witness,
  • pre-eminent,
  • tell-tale,
  • Prescious,
  • at first hand,
  • good-sized,
  • not inconsiderable,
  • high-priority,
  • of consequence,
  • in the limelight,
  • of service,
  • unmistakeable,
  • to the front,
  • carrying a lot of weight,
  • earth-shaking,
  • foreshowing,
  • is important,
  • no laughing matter,
  • of moment,
  • founded on,
  • history-making,
  • precedent-setting,
  • tanti.

Antonyms for Significant:

• adj.

  • all
    insignificant, nonsignificant.
  • important, critical
    dull, inconsequential, little, ordinary, small, unnoticeable.
  • telling, meaningful
    insignificant, meaningless, minor, trivial, unimportant.
  • Other antonyms:
    anonymous, bitty, diminutive, feeble, flimsy, fragile, frail, helpless, hole-and-corner, hole-in-corner, impotent, inappreciable, incapable, incompetent, inconsequential, inconsiderable, ineffective, inept, inexpert, infirm, insignificant, insubstantial, light, little, marginal, meager, meaningless, measly, miniature, minor, minute, nameless, negligible, nominal, nonsignificant, obscure, paltry, petty, picayune, piddling, pint-size, pocket, pocket-size, powerless, puny, slight, small, smallish, superficial, tenuous, thin, tiny, trifling, trivial, undersized, unexpressive, unfit, unimportant, unknown, unqualified, unskilled, unskillful, weak, worthless, Picayunish, nonmeaningful, uncelebrated.

• Other antonyms:

  • n. t.
    bitty, blank, diminutive, dull, faint, feeble, flimsy, fragile, frail, helpless, hole-and-corner, hole-in-corner, immaterial, impotent, inappreciable, incapable, incompetent, inconsequential, inconsiderable, ineffective, inept, inexpert, infirm, insignificant, insubstantial, irrelevant, light, little, low, marginal, meager, meaningless, measly, miniature, minor, minute, nameless, negligible, nominal, nonsignificant, nugatory, obscure, ordinary, paltry, petty, picayune, piddling, pint-size, pocket, pocket-size, powerless, puny, pygmy, slight, small, smallish, superficial, tenuous, thin, tiny, trifling, trivial, undersized, unexpressive, unfit, unimportant, unknown, unnoticeable, unqualified, unskilled, unskillful, weak, worthless, Picayunish, nonmeaningful, uncelebrated, nit-picking, of no consequence.