114 entries under foul topic. ×

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baneful(offensive, disgusting, harmful, poisonous)
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dangerous(offensive, disgusting, harmful, poisonous)
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deadly(offensive, disgusting, harmful, poisonous)
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deleterious(offensive, disgusting, harmful, poisonous)
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grody(adjective, rotten, stinking, smelly)
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harmful(offensive, disgusting, poisonous, toxic)
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humming(adjective, stinking, smelly, reeking)
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hurtful(offensive, disgusting, harmful, poisonous)
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infested(adjective, bad, decayed, stinking)
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injurious(offensive, disgusting, harmful, poisonous)
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insalutary(offensive, disgusting, harmful, poisonous)
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pernicious(offensive, disgusting, harmful, poisonous)
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pestiferous(offensive, disgusting, harmful, poisonous)
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unhealthful(offensive, disgusting, harmful, polluted)
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APASmart Define. (2016). putrid thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/putrid/thesaurus/synonyms
ChicagoSmart Define. 2016. "putrid thesaurus" https://smartdefine.org/putrid/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, putrid thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/putrid/thesaurus/synonyms>.
MLASmart Define. "putrid thesaurus" 3 April 2016. Web. 27 September 2026. <https://smartdefine.org/putrid/thesaurus/synonyms>