Synonyms|115Antonyms|5|Broader|8Narrower|3Related|62
8
aftereffect(noun, effect, adverse)
7
aftermath(noun, end, development, issue, effect)
6
fallout(noun, end, event, influence, development)
6
reaction(noun, end, influence, issue, effect)
5
by-product(noun, product)
4
corollary(noun, end, development, issue, effect)
4
effect(noun, end, influence, issue, result)
4
offshoot(noun, effect, consequence, adverse, outgrowth)
4
side issue(noun, effect, adverse)
3
concomitant(noun, effect, adverse)
3
consequence(noun, end, influence, development, issue)
3
repercussion(noun, end, event, development, issue)
2
aftertaste(noun, effect, adverse)
2
disease
2
accompaniment
2
after-effect(noun, consequence, outgrowth, spin-off)
2
spin-off(noun, end, event, development, issue)
1
accession
1
accessory
1
additament
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APASmart Define. (2015). side effect thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/side_effect/thesaurus/synonyms
ChicagoSmart Define. 2015. "side effect thesaurus" https://smartdefine.org/side_effect/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, side effect thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/side_effect/thesaurus/synonyms>.
MLASmart Define. "side effect thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/side_effect/thesaurus/synonyms>