18
perfidy(noun, continue, fake, deception, doubt)
13
disloyalty(noun, continue, doubt, trust, dishonesty)
13
spiritual apathy
12
faithlessness(noun, continue, fake, deception, doubt)
12
falsity(noun, continue, deception, doubt, trust)
12
treachery(noun, continue, fake, deception, doubt)
12
unfaithfulness(noun, continue, deception, doubt, trust)
11
falseness(noun, continue, fake, doubt, trust)
9
adultery(noun, love, passion, thing, devotion)
7
atheism(noun, belief, doubt, uncertainty, dissent)
7
betrayal(noun, fake, doubt, dishonesty, treachery)
7
disbelief(noun, doubt, uncertainty, dishonesty, dissent)
7
unbelief(noun, doubt, atheism, nihilism, unbelief doubt)
6
cheating(noun, thing, deception, dishonesty, treachery)
6
perfidiousness(noun, continue, fake, deception, doubt)
6
treason(noun, fake, doubt, dishonesty, treachery)
5
affair(noun, love, passion, thing, devotion)
5
discredit(noun, doubt, uncertainty, dissent, reservation)
5
dishonesty(noun, deception, doubt, treachery, cunning)
5
fickleness(noun, doubt, dishonesty, treachery, deceit)
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APASmart Define. (2016). Infidelity thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/infidelity/thesaurus/synonyms
ChicagoSmart Define. 2016. "Infidelity thesaurus" https://smartdefine.org/infidelity/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, Infidelity thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/infidelity/thesaurus/synonyms>.
MLASmart Define. "Infidelity thesaurus" 1 January 2016. Web. 22 September 2026. <https://smartdefine.org/infidelity/thesaurus/synonyms>