Synonyms for Treacherous:

• adj.

  •all (adjective)
  • treacherous.
  •corrupt (adjective)
  • most suborned,
  • un scrupulous,
  • fast loose,
  • un-principled,
  • twofaced,
  • more exploiting,
  • on the take,
  • un-ethical,
  • gone dogs,
  • most exploiting,
  • more suborned,
  • in constant,
  • gone to dogs,
  • gone the dogs,
  • more profiteering,
  • under-handed,
  • un ethical,
  • more bribable,
  • un principled,
  • most bribable,
  • perfidious,
  • un-scrupulous,
  • re probate,
  • most profiteering,
  • re-probate,
  • on take,
  • under handed,
  • in-constant,
  • two faced.
  •cowardly (adjective)
  • yellow.
  •crooked (adjective)
  • illegal,
  • untruthful.
  •dangerous (adjective)
  • shaky,
  • hazardous,
  • Dissembled,
  • insecure,
  • risky,
  • alarming,
  • unsound,
  • ticklish,
  • difficult,
  • portentous,
  • precarious,
  • dangersome,
  • threatening,
  • menacing,
  • perilous,
  • Jeopardous,
  • wicked,
  • ominous,
  • unsafe,
  • unstable,
  • on collision course,
  • faulty,
  • icy.
  •deceitful (adjective)
  • more impostrous,
  • most feline,
  • mis-leading,
  • dis ingenuous,
  • hypo critical,
  • mis leading,
  • most beguiling,
  • more beguiling,
  • mendacious,
  • slick,
  • more rascal,
  • most impostrous,
  • most rascal,
  • most deceiving,
  • most astucious,
  • most illusory,
  • dis-ingenuous,
  • more deceiving,
  • more feline,
  • hypo-critical,
  • more astucious.
  •deceptive (adjective)
  • seeming,
  • Imposturous.
  •designing (adjective)
  • more conspiring,
  • de-signing,
  • more conniving,
  • most conniving,
  • most conspiring,
  • de signing.
  •devious (adjective)
  • in-sincerer,
  • playing politics,
  • in sincerer,
  • in sincerest,
  • more obliquitous,
  • most obliquitous,
  • in-sincerest,
  • in sincere,
  • insincere,
  • faking out,
  • in-sincere.
  •difficult (adjective)
  • scabrous.
  •dishonest (adjective)
  • turncoat,
  • hypocritical,
  • deceptive,
  • cheating,
  • immoral,
  • Prevaricating,
  • double-faced,
  • Deceiving,
  • unscrupulous,
  • corrupt,
  • underhanded,
  • crafty,
  • felonious.
  •dishonest, disloyal (adjective)
  • misleading,
  • double-crossing,
  • snake in the grass,
  • betraying,
  • two-timing,
  • catchy,
  • duplicitous,
  • double-dealing.
  •dishonorable (adjective)
  • in-famous,
  • un-respectable,
  • infamous,
  • in-glorious,
  • more opprobious,
  • dis creditable,
  • more unrespectable,
  • dis-graceful,
  • more blackguardly,
  • most unrespectable,
  • dis-honorable,
  • in glorious,
  • in famous,
  • dis-creditable,
  • un respectable,
  • most opprobious,
  • dis graceful,
  • most blackguardly,
  • dis honorable,
  • scandalous.
  •disloyal (adjective)
  • most apostate,
  • most unloyal,
  • dis-loyal,
  • un-patriotic,
  • dis loyal,
  • more apostate,
  • un patriotic,
  • dis affected,
  • most unpatriotic,
  • unpatriotic,
  • un loyal,
  • more estranged,
  • dis-affected,
  • more unloyal,
  • un-loyal,
  • most estranged,
  • more unpatriotic.
  •disobedient (adjective)
  • unmanageable,
  • mutinous,
  • anarchistic,
  • factious,
  • mischievous,
  • nonconformist,
  • wayward,
  • undisciplined,
  • out of control,
  • disobedient,
  • intractable,
  • unruly,
  • Disobeying,
  • ungovernable,
  • contrary,
  • Disregardful,
  • seditious,
  • subversive,
  • recalcitrant,
  • defiant,
  • Misbehaving,
  • rebellious.
  •double-dealing (adjective)
  • doubledealing,
  • lefthanded,
  • left handed.
  •faithless (adjective)
  • most unconverted,
  • un-converted,
  • more unconverted,
  • most changeful,
  • un converted,
  • un-believing,
  • un believing,
  • more fluctuating,
  • doubting,
  • more changeful,
  • most fluctuating.
  •false (adjective)
  • rascally,
  • mythomaniac,
  • Perjured,
  • scoundrelly,
  • Forsworn.
  •false-hearted (adjective)
  • false hearted.
  •fly-by-night (adjective)
  • most here-today-gone-tomorrow,
  • more cowboy,
  • here-today-gone-tomorrow,
  • un professional,
  • more trustless,
  • more here-today-gone-tomorrow,
  • un-sure,
  • shortlived,
  • not be trusted,
  • not be relied upon,
  • slimier,
  • here today gone tomorrow,
  • short lived,
  • most here today gone tomorrow,
  • evanescent,
  • not to be relied up on,
  • un sure,
  • most cowboy,
  • not be relied up on,
  • fly by night,
  • un-professional,
  • impermanent,
  • most trustless,
  • more here today gone tomorrow.
  •fraudulent (adjective)
  • more bamboozling,
  • most bamboozling.
  •hairy (adjective)
  • scary,
  • scarier.
  •incendiary (adjective)
  • most rabblerousing,
  • most demagogic,
  • most rabble-rousing,
  • more rabblerousing,
  • more rabble rousing,
  • rabblerousing,
  • more demagogic,
  • pro-vocative,
  • most dissentious,
  • pro vocative,
  • most rabble rousing,
  • more rabble-rousing,
  • rabble rousing,
  • more dissentious.
  •insidious (adjective)
  • like a snake in the grass.
  •insubordinate (adjective)
  • more uncomplying,
  • un-disciplined,
  • fractious,
  • most uncomplying,
  • un complying,
  • dis obedient,
  • un disciplined,
  • in subordinate,
  • un compliant,
  • un-complying,
  • in tractable,
  • in-tractable,
  • in-subordinate,
  • dis-orderly,
  • un-governable,
  • un-compliant,
  • dis orderly,
  • un governable,
  • dis-obedient,
  • insurgent.
  •lying (adjective)
  • more misrepresenting,
  • most falsifying,
  • most prevaricating,
  • most equivocating,
  • most fibbing,
  • more falsifying,
  • mis-representing,
  • most dissimulating,
  • fibbing,
  • more prevaricating,
  • most misrepresenting,
  • dis-simulating,
  • mis representing,
  • more equivocating,
  • most dissembling,
  • more dissembling,
  • more dissimulating,
  • more fibbing,
  • more misstating,
  • most inventing,
  • dis simulating,
  • in-venting,
  • in venting,
  • more inventing,
  • most misstating,
  • mis stating,
  • mis-stating.
  •lying under oath (adjective)
  • Perjurious.
  •malevolent (adjective)
  • malignant,
  • hateful,
  • foul,
  • malevolent,
  • nasty,
  • ill-natured,
  • spiteful,
  • antagonistic,
  • Black-hearted,
  • churlish,
  • evil,
  • sullen,
  • bitter,
  • hostile,
  • vicious,
  • catty,
  • malicious,
  • baneful,
  • sinister,
  • hurtful,
  • vindictive,
  • corrosive,
  • virulent,
  • venomous,
  • rancorous,
  • baleful.
  •mean (adjective)
  • hardnosed,
  • the lowest,
  • lowdown and dirty,
  • low-down and dirty,
  • low-down dirty,
  • liverish,
  • toucher.
  •nefarious (adjective)
  • de-generate,
  • de generate,
  • de-testable,
  • de testable.
  •perilous (adjective)
  • un steady,
  • un steadier,
  • un steadiest,
  • un-steadier,
  • un-steadiest,
  • touch go.
  •recreant (adjective)
  • meanspirited,
  • pigeonhearted.
  •risky (adjective)
  • on spot,
  • off the deep end,
  • out a limb,
  • wideopen,
  • out limb,
  • end angered,
  • not prayer,
  • end-angered,
  • hanging by a thread.
  •rotten (adjective)
  • most polluted,
  • most vitiated,
  • more polluted,
  • un-cleanest,
  • more contaminated,
  • more sullied,
  • un cleanest,
  • de-filed,
  • un clean,
  • de filed,
  • un cleaner,
  • more vitiated,
  • more dirtied,
  • most contaminated,
  • un-cleaner,
  • most sullied,
  • most dirtied.
  •shifty (adjective)
  • most dodging,
  • un honest,
  • more prevaricatory,
  • more dodging,
  • most prevaricative,
  • most contriving,
  • more contriving,
  • most shuffling,
  • un-honest,
  • most unhonest,
  • more shuffling,
  • most prevaricatory,
  • Unhonest,
  • more prevaricative,
  • more unhonest.
  •slippery (adjective)
  • un predictable,
  • mutable,
  • un-predictable.
  •sly (adjective)
  • more plotting,
  • impish,
  • most plotting.
  •snaky (adjective)
  • most slinking,
  • more slinking,
  • most vipery,
  • more vipery.
  •traitorous (adjective)
  • un dutiful,
  • more undutiful,
  • most undutiful,
  • un-dutiful,
  • most betraying,
  • more betraying.
  •tricky (adjective)
  • more witted,
  • most witted,
  • more streetwise,
  • most streetwise,
  • wry.
  •ugly (adjective)
  • more scowling,
  • fellest,
  • most scowling.
  •unbalanced (adjective)
  • un balanced,
  • un even,
  • more unsymmetrical,
  • un-symmetrical,
  • dis proportionate,
  • most unsymmetrical,
  • un-equal,
  • topheavy,
  • un symmetrical,
  • unsymmetrical,
  • un-balanced,
  • off-balance,
  • dis-proportionate,
  • offbalance,
  • un-even,
  • un equal,
  • top heavy.
  •undependable (adjective)
  • nogood,
  • more unassured,
  • un-dependable,
  • in consistent,
  • most unassured,
  • un-assured,
  • in-consistent,
  • un dependable,
  • un assured,
  • in definite,
  • trickest,
  • in determinate,
  • in-definite.
  •underhand (adjective)
  • dirty dealing,
  • sub-rosa,
  • on the quiet,
  • dirty-dealing,
  • lubricious.
  •unfaithful (adjective)
  • un chaster,
  • more foresworn,
  • incontinent,
  • in continent,
  • more adulterine,
  • more moonlighting,
  • un faithful,
  • most philandering,
  • un-faithful,
  • fore-sworn,
  • in-continent,
  • un chastest,
  • un-chaste,
  • un chaste,
  • foresworn,
  • un-chaster,
  • most foresworn,
  • most moonlighting,
  • most adulterine,
  • fore sworn,
  • un-chastest,
  • more philandering.
  •unsafe (adjective)
  • un safer,
  • un safe,
  • ex-plosive,
  • un-safer,
  • un safest,
  • un-safe,
  • ex plosive,
  • on limb,
  • un-safest,
  • fearsome.
  •untrue (adjective)
  • un truer,
  • un-truest,
  • most imprecise,
  • out line,
  • un-true,
  • un-truer,
  • un truest,
  • in correct,
  • counter factual,
  • counter-factual,
  • un true.
  •untrustworthy (adjective)
  • un trustiest,
  • un trusty,
  • more fair weather,
  • untrustiest,
  • most fair-weather,
  • un-trustiest,
  • finker,
  • un trustier,
  • more fairweather,
  • un-trustier,
  • most fair weather,
  • un-trusty,
  • un trustworthy,
  • more fair-weather,
  • most fairweather,
  • untrustier,
  • fairweather,
  • un-trustworthy,
  • finkest.
  •yellow (adjective)
  • more chicken,
  • lily livered,
  • most chicken,
  • lilylivered.

• n.

  •
  • harmful,
  • ruinous,
  • disastrous,
  • injurious,
  • damaging.
  •
  • trust,
  • continue,
  • untrue,
  • recreant.
  •
  • safety.

• Other synonyms:

  •Punic
  • punic.
  •
  • parlous,
  • chancy,
  • venturous.
  •
  • lying,
  • adventurous,
  • venturesome,
  • hairy.
  •deceitful
  • two-faced.
  •disloyal
  • disaffected,
  • renegade.
  •wobbly
  • unsteady.

Paraphrases for Treacherous:

• Equivalence

  • Adjective
    perfidious, traitorous.

• Independent

  • Adjective
    worst, hazardous, tricksy, vicious, wicked, unsafe, sinister, malicious, heinous, challenging, harmful, daring, precarious.

• Other Related

  • Adjective
    insidious, dangerous, perilous, traitor, risky.
  • Interjection
    traitor.

Antonyms for Treacherous:

• adj.

  • dangerous
    secure, uncomplicated, friendly, definite, sure, stable, safe, straightforward, strong, protected, certain, easy.
  • dishonest, disloyal
    loyal, untreacherous, forthright, reliable, true, harmless, honest.
  • Other antonyms:
    intent, passionate, determined, unwavering, fervent, sworn, avid, impassioned, dyed-in-the-wool, resolute, enthusiastic, unfaltering, inveterate, dutiful, fervid, unhesitating, ardent, tried and true, confirmed.