13
affair(noun, love, passion, thing, devotion)
12
fornication(noun, thing, affair, infidelity, sexuality)
10
infidelity(noun, love, passion, thing, devotion)
9
liaison(noun, love, passion, devotion, fling)
7
criminal conversation(noun, expression, idiom)
6
cheating(noun, thing, duplicity, affair, infidelity)
6
flirtation(noun, love, passion, devotion, fling)
6
intrigue(noun, love, passion, devotion, fling)
5
amour(noun, love, passion, devotion, fling)
5
hanky-panky(noun, love, passion, thing, devotion)
5
tryst(noun, love, passion, devotion, fling)
4
adulterous
4
love affair(noun, expression, idiom, love, passion)
4
prostitution(noun, whoredom)
4
unfaithfulness(noun, duplicity, affair, disloyalty, infidelity)
3
concubinage
3
cuckoldry
3
fling(noun, love, passion, thing, devotion)
3
romance(noun, love, passion, devotion, fling)
3
whoredom(noun, impurity)
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APASmart Define. (2015). adultery thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/adultery/thesaurus/synonyms
ChicagoSmart Define. 2015. "adultery thesaurus" https://smartdefine.org/adultery/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, adultery thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/adultery/thesaurus/synonyms>.
MLASmart Define. "adultery thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/adultery/thesaurus/synonyms>