Synonyms|7Antonyms|0|Broader|0Narrower|0Related|4
4
negatively impact(effect, negative, impact)
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addled
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blight
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not bright(expression, idiom)
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perturbation
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trouble
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unwanted effect(expression, idiom)
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APASmart Define. (2013). adverse effect thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/adverse_effect/thesaurus/synonyms
ChicagoSmart Define. 2013. "adverse effect thesaurus" https://smartdefine.org/adverse_effect/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, adverse effect thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/adverse_effect/thesaurus/synonyms>.
MLASmart Define. "adverse effect thesaurus" 19 May 2013. Web. 20 September 2026. <https://smartdefine.org/adverse_effect/thesaurus/synonyms>