Effect
Effect noun - A condition or occurrence traceable to a cause.
Usage example: better health is always one of the effects of improved hygiene
Side effect and effect are semantically related. in result topic. In some cases you can use "Side effect" instead a noun "Effect".
Side effect
Side effect noun - A secondary and usually adverse effect of a drug or therapy.
Usage example: severe headaches are one of the side effects of the drug
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Synonyms for Side effect
Effect and side effect are semantically related. You can use "Effect" instead a noun phrase "Side effect".
Mutual synonyms
Related pairs
Cite this Source
Side effect and Effect. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/effect/side_effect
Effect & Side effect. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/effect/side_effect>.
Side effect or Effect. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/effect/side_effect.
Google Ngram Viewer shows how "effect" and "side effect" have occurred on timeline