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perfidiousness

NOUN

faithlessness

Synonyms

STRONG

betrayal disbelief dishonesty disloyalty doubt falseness falsity fickleness fraud inconstancy infidelity perfidy skepticism traitorousness treachery treason unfaithfulness

WEAK

false-heartedness treacherousness

Antonyms

STRONG

belief devotion fairness faithfulness fidelity honesty loyalty trust truthfulness