116 entries under foul topic. ×

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dangerous(adjective, bad, offensive, revolting)
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fusty(adjective, rotten, stinking, smelly)
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harmful(adjective, bad, offensive, revolting)
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hellish(adjective, bad, offensive, revolting)
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injurious(adjective, bad, offensive, revolting)
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murderous(adjective, bad, offensive, revolting)
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poison(adjective, bad, offensive, revolting)
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reeking(adjective, rotten, stinking, smelly)
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serious(adjective, bad, offensive, revolting)
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severe(adjective, bad, offensive, revolting)
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stenchy(adjective, rotten, stinking, smelly)
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strong(adjective, rotten, stinking, smelly)
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tough(adjective, bad, nasty, offensive, unpleasant)
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uncleanly(adjective, bad, offensive, black)
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ungodly(adjective, bad, offensive, revolting)
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unholy(adjective, bad, offensive, revolting)
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APASmart Define. (2016). icky thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/icky/thesaurus/synonyms
ChicagoSmart Define. 2016. "icky thesaurus" https://smartdefine.org/icky/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, icky thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/icky/thesaurus/synonyms>.
MLASmart Define. "icky thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/icky/thesaurus/synonyms>