Definition for Perfidiousness:

• betrayal of a trust

Synonyms for Perfidiousness:

• n.

  •attribute (noun)
  • perfidy,
  • perfidiousness.
  •deception (noun)
  • duplicity.
  •dishonesty (noun)
  • Improbity,
  • criminality,
  • infamy,
  • Hocuspocus,
  • unscrupulousness,
  • wiliness,
  • chicane,
  • fourberie,
  • criminalities,
  • Hanky Panky,
  • cunnings,
  • insidiousness,
  • fraudulence,
  • indirection,
  • chicanes,
  • sharp practice,
  • Double dealing.
  •disloyalty (noun)
  • dis affection,
  • dis-loyalty,
  • breach trust,
  • un truenesses,
  • dis affections,
  • bad faiths,
  • dis-loyalties,
  • un-truenesses,
  • in constancy,
  • in-constancies,
  • betrayal trust,
  • dis-affections,
  • dis loyalties,
  • un-trueness,
  • un trueness,
  • in-constancy,
  • untruenesses,
  • in constancies,
  • dis loyalty,
  • dis-affection.
  •duplicity (noun)
  • one upmanship,
  • dis semblance,
  • dis-semblance,
  • judas kisses,
  • dis-simulation,
  • dis-simulations,
  • dirty dealings,
  • twofacedness,
  • twonesses,
  • dis simulation,
  • oneupmanship,
  • dis-semblances,
  • dis semblances,
  • dis simulations,
  • stab back,
  • two facedness,
  • dissimulations.
  •faithlessness (noun)
  • disbelief,
  • fraud,
  • betrayal,
  • treason,
  • skepticism,
  • doubt.
  •false-heartedness (noun)
  • false heartedness.
  •falsity (noun)
  • dis-ingenuousnesses,
  • un-reality,
  • un-candidnesses,
  • un reality,
  • un candidnesses,
  • in-sincerities,
  • un truths,
  • in accuracies,
  • deceptivenesses,
  • in-accuracy,
  • un truth,
  • mis-representations,
  • un-realities,
  • dis ingenuousness,
  • un-candidness,
  • in sincerity,
  • in-accuracies,
  • dis ingenuousnesses,
  • mis-representation,
  • in sincerities,
  • dis-ingenuousness,
  • uncandidnesses,
  • un-truths,
  • un realities,
  • in accuracy,
  • in-sincerity,
  • mis representations,
  • un candidness,
  • un-truth,
  • mis representation.
  •treachery (noun)
  • puton,
  • stab the back,
  • fast shuffles,
  • buncos.
  •underhandedness (noun)
  • under-handednesses,
  • under handedness,
  • under-handedness,
  • under handednesses.

• Other synonyms:

  •
  • unfaithfulness.
  •
  • infidelity.

Antonyms for Perfidiousness:

• n.

  • faithlessness
    belief, faithfulness, honesty, loyalty, truthfulness, trust, fidelity, devotion, fairness.
  • Other antonyms:
    constancy, faith, trustworthiness, fealty, devotedness, dependability, steadfastness, reliability, staunchness, allegiance.

Perfidiousness Sentence Examples:

• Sixth, To follow that ancient precept, not construed to any point of perfidiousness, but only to caution and moderation, that we are to treat our friend as if he might one day be a foe, and our foe as if he should one day be friend.

• One he may be held to have outdone in consideration of the difficulty of the country in which he fought, another in the extent of territory which he conquered; some, in the number and strength of the enemies whom he defeated; one man, because of the wildness and perfidiousness of the tribes whose good - will he conciliated, another in his humanity and clemency to those he overpowered; others, again in his gifts and kindnesses to his soldiers; all alike in the number of the battles which he fought and the enemies whom he killed.

Hypernym for Perfidiousness:

• n.

  • attribute
    insidiousness.

Hyponym for Perfidiousness:

• n.

  • attribute
    disloyalty.