91 entries under foul topic. ×

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rough(adjective, bad, nasty, offensive, unpleasant)
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serious(adjective, bad, offensive, revolting)
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severe(adjective, bad, offensive, revolting)
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sickly(offensive, disgusting, overpowering, cloying)
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soiled(adjective, bad, offensive, revolting)
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stenchful(adjective, bad, decayed, stinking)
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tough(adjective, bad, nasty, offensive, unpleasant)
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uncleanly(adjective, bad, offensive, revolting)
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ungodly(adjective, bad, offensive, revolting)
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unholy(adjective, bad, offensive, revolting)
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whiffy(adjective, stinking, smelly, foul-smelling)
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APASmart Define. (2016). nauseating thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/nauseating/thesaurus/synonyms
ChicagoSmart Define. 2016. "nauseating thesaurus" https://smartdefine.org/nauseating/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, nauseating thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/nauseating/thesaurus/synonyms>.
MLASmart Define. "nauseating thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/nauseating/thesaurus/synonyms>