Synonyms for Perfidious:

• adj.

  •all (adjective)
  • perfidious.
  •corrupt (adjective)
  • open,
  • mercenary,
  • exploiting,
  • fast and loose,
  • Suborned,
  • tainted,
  • fixed,
  • padded,
  • underhanded,
  • shady,
  • knavish,
  • iniquitous,
  • bent,
  • inconstant,
  • debauched,
  • venal,
  • extortionate,
  • unprincipled,
  • nefarious,
  • reprobate,
  • foul,
  • base,
  • snide,
  • unethical,
  • crooked,
  • fraudulent,
  • praetorian,
  • on the take.
  •dishonest (adjective)
  • elusive,
  • sneaky,
  • sinister,
  • crafty,
  • tricky,
  • wily,
  • hoodwinking,
  • Backbiting,
  • villainous,
  • designing,
  • sneaking,
  • Bluffing,
  • disreputable,
  • mendacious,
  • unfair,
  • guileful,
  • lying,
  • unctuous,
  • Swindling,
  • cunning,
  • corrupt,
  • cheating,
  • Deceiving.
  •disloyal (adjective)
  • estranged,
  • seditious,
  • alienated,
  • wormlike,
  • apostate,
  • unpatriotic,
  • subversive.
  •double-dealing (adjective)
  • double,
  • ambidextrous,
  • left- handed,
  • hypocritical,
  • insincere,
  • duplicitous.
  •faithless (adjective)
  • dubious,
  • unbelieving,
  • skeptical,
  • untruthful,
  • changeable,
  • wavering,
  • fickle,
  • unstable,
  • capricious,
  • fluctuating,
  • doubting.
  •false (adjective)
  • malevolent,
  • scoundrelly,
  • Perjured,
  • rascally,
  • mythomaniac,
  • delusive,
  • wicked,
  • dishonorable,
  • Deluding,
  • Forsworn,
  • malicious,
  • Canting,
  • devious,
  • renegade,
  • beguiling.
  •false-hearted (adjective)
  • false hearted.
  •insidious (adjective)
  • ensnaring,
  • smooth,
  • intriguing,
  • like a snake in the grass,
  • deep,
  • disingenuous,
  • sly,
  • artful,
  • subtle,
  • perilous,
  • dangerous,
  • stealthy,
  • slick,
  • secret,
  • surreptitious,
  • machiavellian,
  • foxy,
  • astute.
  •insincere (adjective)
  • backhanded,
  • dissimulating,
  • phony,
  • dissembling,
  • hollow,
  • fake,
  • pretentious,
  • put-on,
  • evasive.
  •lying (adjective)
  • delusory,
  • fibbing,
  • Prevaricating,
  • falsifying,
  • Inventing,
  • Equivocating,
  • misrepresenting,
  • misstating,
  • wrong.
  •lying under oath (adjective)
  • Perjurious.
  •mala fide (adjective)
  • mala fide.
  •malevolent (adjective)
  • Black-hearted,
  • venomous,
  • malignant,
  • hostile,
  • catty,
  • evil,
  • churlish,
  • rancorous,
  • nasty,
  • vindictive,
  • bitter,
  • baleful,
  • antagonistic,
  • ill-natured,
  • sullen,
  • vicious,
  • baneful,
  • virulent,
  • spiteful,
  • hurtful,
  • hateful,
  • corrosive.
  •mean (adjective)
  • toucher,
  • hardnosed,
  • lowdown and dirty,
  • the lowest,
  • liverish,
  • low-down dirty,
  • low-down and dirty.
  •Other relevant words: (adjective)
  • lowdown,
  • unfaithful,
  • undutiful,
  • exploitative,
  • unloyal,
  • rotten,
  • vipery,
  • unconscientious,
  • moonlighting,
  • not true to,
  • changeful,
  • disloyal,
  • False-hearted,
  • bribable,
  • treacherous,
  • committing perjury,
  • treasonous,
  • falsehearted,
  • of bad faith,
  • snaky,
  • profiteering,
  • gone to the dogs,
  • adulterine,
  • unconverted,
  • Truthless,
  • mean,
  • false,
  • racket up,
  • low-down,
  • dishonest,
  • out of line,
  • imprecise,
  • unscrupulous,
  • insidious,
  • snake in grass,
  • faithless,
  • Double dealing,
  • traitorous,
  • wide open,
  • treasonable,
  • casuistic.
  •perfidious (adjective)
  • misleading,
  • snake in the grass,
  • double-dealing,
  • betraying.
  •recreant (adjective)
  • meanspirited,
  • pigeonhearted.
  •rotten (adjective)
  • more dirtied,
  • most contaminated,
  • de filed,
  • more vitiated,
  • more sullied,
  • de generate,
  • more contaminated,
  • de-generate,
  • un clean,
  • un-cleanest,
  • de-filed,
  • un-cleaner,
  • most sullied,
  • more polluted,
  • most vitiated,
  • un cleanest,
  • most polluted,
  • un cleaner,
  • most dirtied.
  •snaky (adjective)
  • more vipery,
  • most slinking,
  • most vipery,
  • more slinking.
  •traitorous (adjective)
  • more undutiful,
  • more betraying,
  • most betraying,
  • un dutiful,
  • un-dutiful,
  • most undutiful.
  •treacherous (adjective)
  • fly by night,
  • snake the grass,
  • un-dependable,
  • snake grass,
  • un dependable.
  •treasonous (adjective)
  • in subordinate,
  • in-subordinate.
  •unfaithful (adjective)
  • un-faithful,
  • un faithful,
  • most moonlighting,
  • more philandering,
  • in continent,
  • more foresworn,
  • in-continent,
  • un chaste,
  • most philandering,
  • un-chaster,
  • fore-sworn,
  • foresworn,
  • incontinent,
  • most foresworn,
  • un chastest,
  • un-chaste,
  • fore sworn,
  • un-chastest,
  • un chaster,
  • most adulterine,
  • more moonlighting,
  • more adulterine.
  •unscrupulous (adjective)
  • under-hand,
  • more lowdown,
  • most exploitative,
  • most lowdown,
  • more casuistic,
  • un-conscionable,
  • un conscientious,
  • un-conscientious,
  • most unconscientious,
  • un conscionable,
  • more unconscientious,
  • un-worthiest,
  • selfseeking,
  • under hand,
  • un-scrupulous,
  • un scrupulous,
  • dis-graceful,
  • more low-down,
  • un worthier,
  • more exploitative,
  • self seeking,
  • un worthiest,
  • de-graded,
  • un worthy,
  • dis graceful,
  • de-grading,
  • low down,
  • un-worthier,
  • de graded,
  • more low down,
  • most casuistic,
  • de grading.
  •untrue (adjective)
  • un-truer,
  • un-sound,
  • out line,
  • un-truest,
  • in correct,
  • mis taken,
  • un truest,
  • counter factual,
  • un-soundest,
  • un sounder,
  • in accurate,
  • un-sounder,
  • un truer,
  • un true,
  • un-true,
  • un sound,
  • most imprecise,
  • counter-factual.

• n.

  •
  • recreant,
  • trust,
  • untrue,
  • continue.
  •Other relevant words: (noun)
  • phonies,
  • phoniness,
  • SLIES,
  • slicks.
  •phoniness (noun)
  • deceptives,
  • dis-ingenuousnesses,
  • evasives,
  • backhandeds,
  • dis ingenuousnesses,
  • disingenuou,
  • falses,
  • two-faceds,
  • untrues,
  • perfidiou,
  • deviou,
  • dis ingenuousness,
  • snides,
  • duplicitou,
  • faithlesses,
  • un faithfuls,
  • shifties,
  • unfaithfuls,
  • dissimulatings,
  • un-faithfuls,
  • hypocriticals,
  • mendaciou,
  • lyings,
  • un-trues,
  • twofaceds,
  • two faceds,
  • dissemblings,
  • dis-ingenuousness,
  • pretentiou,
  • un trues,
  • deceitfuls,
  • ambidextrou,
  • untruthfuls.
  •treacherous (noun)
  • study at faithless.

• Other synonyms:

  •Punic
  • punic.
  •disloyal
  • disaffected,
  • untrustworthy.
  •sinful
  • ungodly.
  •Other relevant words (noun):
  • dishonourable,
  • carthaginian,
  • infidel,
  • shrewd,
  • Plotting,
  • shifty,
  • thieving,
  • unreliable,
  • criminal,
  • two-faced,
  • despicable,
  • dastardly,
  • collusive,
  • flagitious,
  • blackguardly,
  • double-crossing,
  • Doublehearted,
  • pretending,
  • abominable,
  • one-sided,
  • shameless,
  • vile,
  • dirty,
  • vulpine,
  • cagey,
  • insurgent,
  • tortuous,
  • immoral,
  • dark,
  • bad,
  • deceitful,
  • black,
  • questionable,
  • slippery,
  • thievish,
  • feigning,
  • Collusory,
  • pawky,
  • sharp,
  • shameful,
  • faking,
  • disgraceful,
  • diabolical,
  • counterfeit,
  • sanctimonious,
  • filthy,
  • fishy,
  • unconscionable,
  • two-timing,
  • faulty,
  • amoral,
  • undependable,
  • Covinous,
  • ungenuine,
  • Double-hearted,
  • unspeakable,
  • clever,
  • fly,
  • scheming,
  • timeserving,
  • scurvy,
  • oily,
  • felonious,
  • double-faced,
  • infernal,
  • Time-serving,
  • pharisaic,
  • unsporting,
  • conscienceless,
  • discreditable,
  • unjust,
  • unsportsmanlike,
  • slimy,
  • spurious,
  • deceptive,
  • atrocious,
  • outrageous,
  • calculating,
  • shifting,
  • heretical,
  • hellish,
  • artificial,
  • canny,
  • no,
  • double-tongued,
  • Falsified,
  • reptilian,
  • double-minded,
  • awful,
  • ENG,
  • murderous,
  • underhand,
  • roguish,
  • insurrectionist,
  • janus-faced.

Paraphrases for Perfidious:

• Equivalence

  • Adjective
    treacherous.

• Other Related

  • Adjective
    tricksy, evil.

Antonyms for Perfidious:

• adj.

  • Other antonyms:
    dyed-in-the-wool, impassioned, ardent, fervid, fervent, avid, dutiful, determined, sworn, unwavering, confirmed, unhesitating, passionate, enthusiastic, resolute, unfaltering, inveterate, tried and true, intent.