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deceptiveness(deception, dishonesty, deceit, falseness, falsity)
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defect(noun, uncertainty, error, vagueness, inaccuracy)
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defection(noun, disloyalty, infidelity)
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dirty dealing(expression, deception, dishonesty, treachery, deceit)
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dirty pool(expression, deception, dishonesty, treachery, deceit)
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dirty trick(expression, deception, dishonesty, treachery, deceit)
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dirty work(expression, deception, dishonesty, treachery, deceit)
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disbelief(noun, doubt, dishonesty, treachery, fraud)
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dishonour
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dissemblance(deception, dishonesty, deceit)
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dissimulation(deception, dishonesty, deceit, falseness, falsity)
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dodge(treachery, deceit, disloyalty)
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double-crossing(noun, deception, dishonesty, treachery, disloyalty)
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double cross(expression, treachery, disloyalty, betrayal, giveaway)
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double dealing(expression, idiom)
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doubt(noun, dishonesty, treachery, fraud, deceit)
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dualism(deception, dishonesty, deceit)
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duality(deception, dishonesty, deceit)
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erratum(noun, deception, uncertainty, error, vagueness)
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extramarital relations(noun, expression, duplicity, affair, faithlessness)
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APASmart Define. (2015). unfaithfulness thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unfaithfulness/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfaithfulness thesaurus" https://smartdefine.org/unfaithfulness/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unfaithfulness thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unfaithfulness/thesaurus/synonyms>.
MLASmart Define. "unfaithfulness thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/unfaithfulness/thesaurus/synonyms>