Synonyms for Formidable:

• adj.

  •all (adjective)
  • formidable.
  •ambitious (adjective)
  • grandiose,
  • severe,
  • lofty,
  • impressive,
  • strenuous,
  • visionary,
  • pretentious,
  • loftier.
  •appalling (adjective)
  • grodiest,
  • dis-heartening,
  • dis heartening,
  • more petrifying,
  • more dismaying,
  • most unnerving,
  • un-nerving,
  • more unnerving,
  • more disheartening,
  • most dismaying,
  • most daunting,
  • Ender,
  • most scaring,
  • most petrifying,
  • dis maying,
  • endest,
  • more daunting,
  • more scaring,
  • grodier,
  • dis-maying,
  • most disheartening,
  • un nerving.
  •arduous (adjective)
  • more murder,
  • up hill,
  • painful,
  • most murder,
  • up-hill.
  •awesome (adjective)
  • mind blowing,
  • more nervous,
  • mindblowing,
  • over-whelming,
  • aweinspiring,
  • more horrifying,
  • most horrifying,
  • more stupefying,
  • striking,
  • grandest,
  • most stupefying,
  • awe inspiring,
  • over whelming.
  •dangerous (adjective)
  • portentous,
  • Jeopardous,
  • shaky,
  • risky,
  • dangersome,
  • on collision course,
  • parlous,
  • touch and go.
  •difficult (adjective)
  • immense,
  • tricky,
  • upstream,
  • bothersome,
  • tight,
  • stressful,
  • finicky,
  • stiff,
  • involved,
  • burdensome,
  • mystifying,
  • tangled,
  • fussy,
  • hard to solve,
  • backbreaker,
  • up-stream,
  • tough,
  • Difficile,
  • paradoxical,
  • toilsome,
  • demanding,
  • galling,
  • Operose,
  • trying,
  • meandering,
  • complicated,
  • wearying,
  • laborious,
  • easier said than done,
  • cumbersome,
  • uphill,
  • oppressive,
  • hard-won,
  • not easy,
  • troublesome,
  • wearisome,
  • contrary,
  • wearing,
  • grinding,
  • ticklish,
  • hard to explain,
  • adverse,
  • complex,
  • rough,
  • enigmatical,
  • cantankerous,
  • harsh.
  •difficult, overwhelming (adjective)
  • labored,
  • rough go,
  • mighty,
  • great,
  • murder,
  • challenging,
  • colossal,
  • tall order,
  • staggering,
  • indomitable,
  • all-powerful,
  • overpowering,
  • mammoth,
  • ballbuster,
  • powerful,
  • puissant,
  • tough proposition.
  •dreadful (adjective)
  • more godawful,
  • more shuddersome,
  • most godawful,
  • beastlier,
  • horrendous,
  • most shuddersome,
  • beastliest.
  •feared (adjective)
  • Feared.
  •fearful (adjective)
  • grisly,
  • unspeakable.
  •fearsome (adjective)
  • frightening.
  •frightening (adjective)
  • rebarbative.
  •frightful/frightening (adjective)
  • dis quieting,
  • more grabber,
  • in conceivable,
  • dis-quieting,
  • more traumatic,
  • most grabber,
  • in-conceivable,
  • most traumatic.
  •grim (adjective)
  • fore-boding,
  • in tractable,
  • re solute,
  • in-exorable,
  • splenetic,
  • fore boding,
  • more foreboding,
  • most glowering,
  • stern,
  • in-tractable,
  • most crabbed,
  • more glowering,
  • most foreboding,
  • un relenting,
  • most scowling,
  • in exorable,
  • more splenetic,
  • more scowling,
  • un-relenting,
  • re-solute,
  • most splenetic.
  •hard (adjective)
  • harder,
  • uphill battle,
  • unsparing,
  • Toilful.
  •heavy (adjective)
  • in-tolerable,
  • Heightened,
  • Acroamatic,
  • in tolerable,
  • most acroamatic,
  • more acroamatic.
  •heightened (adjective)
  • in tensive,
  • ter,
  • in-tense,
  • in tenser,
  • in-tenser,
  • te,
  • in-tensive,
  • in tense,
  • in-tensest.
  •high (adjective)
  • High-reaching,
  • high rise,
  • sky-high,
  • altitudinous,
  • sky-scraping,
  • skyscraping.
  •horrible, terrifying (adjective)
  • awful,
  • horrific,
  • dismaying,
  • daunting,
  • intimidating,
  • menacing,
  • fierce,
  • threatening.
  •invulnerable (adjective)
  • unbeatable,
  • indestructible,
  • invincible,
  • impenetrable,
  • immune,
  • invulnerable,
  • impervious.
  •knotty (adjective)
  • maziest,
  • most ramified,
  • Nodulous,
  • most nodulous,
  • reticular,
  • more reticular,
  • mazier,
  • most gordian,
  • more ramified,
  • more nodulous,
  • most reticular,
  • more gordian.
  •mean (adjective)
  • snide,
  • hardnosed,
  • liverish,
  • lowdown and dirty,
  • low-down and dirty,
  • low-down dirty,
  • toucher,
  • the lowest.
  •onerous (adjective)
  • more plodding,
  • most headache,
  • more crushing,
  • over-taxing,
  • most overtaxing,
  • most embittering,
  • most crushing,
  • most plodding,
  • more headache,
  • more overtaxing,
  • over powering,
  • over-powering,
  • over taxing,
  • more embittering.
  •Other relevant words: (adjective)
  • knotty,
  • grody,
  • arduous,
  • real gone,
  • difficult,
  • extra ordinary,
  • mazy,
  • thorny,
  • fearful,
  • mean,
  • onerous,
  • overtaxing,
  • ambitious,
  • ugly,
  • shuddersome,
  • great big,
  • zero cool,
  • heavy,
  • head ache,
  • appalling,
  • strong,
  • hard,
  • the end,
  • grim,
  • tremendous,
  • something else,
  • grabber,
  • rugged,
  • shocking,
  • no picnic,
  • high,
  • redoubtable,
  • heavy sledding,
  • godawful,
  • traumatic,
  • terrific,
  • large order,
  • dreadful,
  • dangerous,
  • serious,
  • mondo,
  • sticky.
  •powerful (adjective)
  • autocratic,
  • omnipotent,
  • exalted,
  • commanding,
  • power,
  • sovereign,
  • high-powered,
  • supreme.
  •redoubtable (adjective)
  • re doubtable,
  • re-doubtable.
  •rugged (adjective)
  • un compromising,
  • un-compromising.
  •serious (adjective)
  • sobering,
  • unhumorous,
  • unamusing,
  • feller,
  • out for blood,
  • no joke,
  • of consequence,
  • strictly business,
  • no laughing matter,
  • playing hard ball,
  • smoking.
  •shocking (adjective)
  • dis gusting,
  • de-testable,
  • de testable,
  • dis graceful,
  • dis-gusting,
  • dis-graceful.
  •sticky (adjective)
  • dis-comforting,
  • most discomforting,
  • dis comforting,
  • more discomforting.
  •strong (adjective)
  • muscular,
  • husky,
  • mettlesome,
  • potent,
  • sinewy,
  • stout,
  • brawny,
  • firm,
  • vigorous,
  • energetic,
  • stable,
  • vital,
  • clear cut,
  • sturdy,
  • virile,
  • robust.
  •terrific (adjective)
  • most terrorizing,
  • more terrorizing,
  • more agitating,
  • most agitating,
  • up-setting,
  • up setting.
  •thorny (adjective)
  • more harassing,
  • Harassing,
  • most harassing.
  •tremendous (adjective)
  • extra-ordinary,
  • more whopper,
  • whaler,
  • whalest,
  • blimper,
  • more mondo,
  • more cracking,
  • in credible,
  • most humongous,
  • most whopper,
  • most mondo,
  • in-credible,
  • more humongous,
  • blimpest,
  • most cracking.

• n.

  •
  • forbidding,
  • impregnable.
  •
  • overwhelming.
  •
  • grand,
  • imposing.
  •
  • fear.
  •alarming (noun)
  • alarming.
  •formidable (noun)
  • unnerving.
  •Other relevant words: (noun)
  • property.

• Other synonyms:

  •
  • effortful,
  • backbreaking,
  • awesome,
  • direful,
  • scary,
  • fearsome.
  •
  • terrible.
  •
  • exigent,
  • rigorous,
  • dire,
  • ghastly,
  • weighty.
  •
  • frightful,
  • exacting,
  • taxing.
  •Other relevant words (noun):
  • front line,
  • unmistakable,
  • elevated,
  • hideous,
  • incredible,
  • inhuman,
  • ghoulish,
  • perilous,
  • dominant,
  • morbid,
  • hard-earned,
  • stupefying,
  • substantial,
  • well-established,
  • knotted,
  • authoritative,
  • telling,
  • vicious,
  • distressing,
  • fantastic,
  • stirring,
  • compelling,
  • slavish,
  • unendurable,
  • exhausting,
  • influential,
  • untouchable,
  • fabulous,
  • dread,
  • stimulating,
  • Moiling,
  • breathtaking,
  • signal,
  • brutish,
  • affecting,
  • stunning,
  • extraordinary,
  • uncommon,
  • horrible,
  • heartless,
  • unbelievable,
  • tiring,
  • savage,
  • illustrious,
  • critical,
  • herculean,
  • gruesome,
  • feral,
  • crabbed,
  • horrifying,
  • very much,
  • mountainous,
  • forceful,
  • macabre,
  • brutal,
  • mind-blowing,
  • prodigious,
  • cruel,
  • of mark,
  • fantastical,
  • stupendous,
  • noticeable,
  • homicidal,
  • freaky,
  • gruelling,
  • revolting,
  • trenchant,
  • full of energy,
  • persuasive,
  • startling,
  • Fatiguing,
  • murderous,
  • uncontrollable,
  • moving,
  • spooky,
  • hard-fought,
  • important,
  • titanic,
  • rude,
  • wondrous,
  • marked,
  • marvelous,
  • eerie,
  • astounding,
  • steep,
  • violent,
  • abstruse,
  • egregious,
  • hellacious,
  • well-connected,
  • remarkable,
  • delicate,
  • spiny,
  • intricate,
  • well-founded,
  • irresistible,
  • harrowing,
  • painfully,
  • back-breaking,
  • exceptional,
  • solemn,
  • petrifying,
  • largish,
  • pick-and-shovel,
  • horrid,
  • notable,
  • bloodthirsty,
  • unmistakeable,
  • ruthless,
  • towering,
  • pitiless,
  • efficacious,
  • mind-boggling,
  • crushing,
  • dreaded,
  • terrifying,
  • hair-raising,
  • monumental,
  • outstanding,
  • provocative,
  • effectual,
  • fell,
  • devilish,
  • exciting,
  • conspicuous,
  • monstrous,
  • squally,
  • superior,
  • glorious,
  • fateful,
  • grave,
  • gigantic,
  • earnest,
  • lurid,
  • danger,
  • astonishing,
  • Fiendish,
  • ferocious,
  • devastating,
  • convincing,
  • enormous,
  • fatal,
  • amazing,
  • huge,
  • marvellous,
  • effective,
  • profound,
  • Arousing,
  • Irksome,
  • sober,
  • wicked,
  • wonderful,
  • hairy,
  • unbearable,
  • evocative,
  • sweaty,
  • unaccountable,
  • merciless,
  • awe-inspiring,
  • noteworthy,
  • earthshaking.

Paraphrases for Formidable:

• Independent

  • Adjective
    wonderful, redoubtable, incredible, difficult, dreaded, phenomenal, marvellous, marvelous, frightening, awesome, horrendous, fantastic, splendid, mammoth, dire, terrifying, grim, intractable, strenuous, sizeable, outstanding, horrific, mighty, appalling, fierce, onerous, immeasurable, horrifying, staggering, exceptional, potent, grave, spectacular, dangerous, prodigious, beautiful, unbelievable, fearful, frightful, important, gruesome, astonishing, uphill, abominable, harsh, terrific, large-scale, robust, demanding, sheer, admirable, ambitious, heavy, drastic, painstaking, hideous, grand, sizable, resounding, extensive, profound, intimidating, hefty, heinous, devastating, stern, critical, stark, weighty, brilliant, forceful, ominous, hard, momentous.
  • Proper noun, singular
    terrific.
  • Interjection
    awesome, fantastic, splendid, beautiful, swell.

• Other Related

  • Adjective
    tremendous, daunting, enormous, fearsome, terrible, considerable, immense, massive, remarkable, huge, arduous, overwhelming, monumental, impressive, insurmountable, extraordinary, dreadful, powerful, gigantic, challenging, horrible, colossal, severe, serious, magnificent, vast, substantial, major, herculean, strong, dramatic, large, superb, big, tough, laborious, exciting, awful, deadly, lovely, notable, giant.
  • Interjection
    wonderful, marvelous, terrific, brilliant.

Antonyms for Formidable:

• adj.

  • difficult, overwhelming
    ineffective, little, facile, insignificant, small.
  • horrible, terrifying
    harmless, poor, calm, not hard, powerless, pleasant, nice, trivial, feeble, friendly, unimportant, weak, unthreatening, easy.
  • Other antonyms:
    lulling, helpless, contemptible, unalarming, consoling, gentle, relaxed, inviting, calming, tranquilizing, mindless, relaxing, uncomplicated, pacifying, reassuring, comforting, accessible, achievable, manageable, soothing, unimpressive, doable, undemanding, elementary, despicable, clear, user-friendly.