Synonyms of guileful

adjectiveFull of guile; treacherously deceptive.

• guiledArmed with deceit; treacherous.
• ratlikeResembling or characteristic of a rat, whether physically or (in behavioral terms) cunning, disloyal, or cowardly.
• viperousVenomous, malicious or treacherous.
• beguilingThat beguiles or beguile.
• deceitful
• deceptiveLikely or attempting to deceive.
• deceptoryDeceptive.
• fallacious
• fraudfulFraudulent.
• fraudulent
• mendacious
• bookyTreacherous, snitchy, not trustworthy.
• dastardlyTreacherous; given to backstabbing.
• disloyalNot loyal, without loyalty.
• double-crossingWhich double-crosses.
• double-dealingCheating, dishonest; treacherous.
• double-facedDeceitful; hypocritical; treacherous.
• double-heartedTreacherous.
• doubleheartedDeceitful; treacherous; double-crossing.
• faithlessNot true to allegiance, duty, or vows.
• false
• false-heartedDisloyal, perfidious.
• hollow-heartedInsincere; deceitful; treacherous; hypocritical.
• infidelitousUnfaithful.
• JudaslikeResembling or characteristic of Judas Iscariot; traitorous.
• JudaslyJudaslike; traitorous.
• nonfaithfulNot faithful.
• perfidiousOf, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance.
• Punic figurativelyPerfidious, treacherous, faithless.
• recreant literary, poeticUnfaithful to someone, or to one's duties or honour; disloyal, false.
• renegadeDeserting, treacherous, disloyal.
• reptilian figurativelyCold-blooded, treacherous, unavoidably selfish and hostile.
• traitorishTraitorly; treasonous.
• traitorlikeTraitorly.
• traitorlyLike a traitor; traitorous.
• traitorousCharacteristic of a traitor; disloyal.
• traitorsomeCharacteristic of a traitor; traitorous.
• treacherous
• treachersomeCharacterised or marked by treachery; treacherous.
• unfaithfulNot keeping good faith; disloyal; not faithful.
• unlealDisloyal.
• unloyalNot loyal.
• unsteadfastNot steadfast; wavering, unfaithful.
• untrueNot faithful or loyal.
• viperishSpiteful; treacherous.
• deceptious obsoleteDeceptive, tending to deceive.
• disleal obsoleteDisloyal; perfidious.
• falseheart obsoleteSynonym of false-hearted.
• illoyal obsoleteDisloyal.
• insidious nonstandardTreacherous.
• proditorious obsoleteTreacherous, traitorous.
• proditory obsoleteTreacherous, traitorous.
• reptitious figuratively, obsoleteSynonym of reptilian: reptilelike, (figuratively) cold-blooded, treacherous.
• swike dialectal, obsoleteDeceitful; treacherous.
• trothless archaic, poeticUntrustworthy, treacherous.