side effect
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side effect
noun side effects · side-effect
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An unintended consequence, or secondary result, of any action, in addition to the main or intended consequence of that action.
The processing of certain raw materials - pulp and paper, oil, and alumina, for example - can have substantial environmental side effects.
Similar: by-product
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An unintended consequence of a drug or therapy; usually an adverse effect, and not a beneficial one.
“While all pharmaceutical treatments have side effects, racism is not a known side effect of any Sanofi medication.”
Similar: by-product
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A change a in state outside of the local environment of the function being called.
The Eiffel programming language is somewhat purist in insisting that functions have no side effects.
Similar: by-product
Translations
Every language
noun unintended consequence of any action
| Español | efecto secundario |
|---|---|
| 한국어 | 부작용 bujagyong |
| 日本語 | 副作用 fukusayō |
| 中文 | 副作用 fùzuòyòng |
| हिन्दी | दुष्प्रभाव duṣprabhāv |
| Português | efeito colateral |
| Français | effet secondaire |
| Deutsch | Nebenwirkung, Nebeneffekt |
| Italiano | effetto collaterale |
| Ελληνικά | παρενέργεια parenérgeia |
| Русский | побо́чный эффе́кт pobóčnyj effékt, побо́чное де́йствие pobóčnoje déjstvije |
| العربية | أَثَر جَانِبِيّ ʔaṯar jānibiyy |
| עברית | תּוֹפָעַת לְוַאי tofa'át lvay |
noun medicine: an adverse effect
| Español | efecto secundario |
|---|---|
| 한국어 | 부작용 bujagyong |
| 日本語 | 副作用 fukusayō |
| 中文 | 副作用 fùzuòyòng |
| हिन्दी | दुष्प्रभाव duṣprabhāv |
| Português | efeito colateral |
| Français | effet secondaire, effet indésirable |
| Deutsch | Nebenwirkung |
| Italiano | effetto collaterale |
| Ελληνικά | παρενέργεια parenérgeia |
| Română | efect secundar |
| Русский | побо́чный эффе́кт pobóčnyj effékt |
noun computing: a state change caused by a function call
| 한국어 | 부작용 bujagyong |
|---|---|
| 日本語 | 副作用 fukusayō |
| 中文 | 副作用 fùzuòyòng |
| Français | effet de bord |
| Deutsch | Nebeneffekt, Seiteneffekt |
| Русский | побо́чный эффе́кт pobóčnyj effékt |
Talk about this word "side effect." Wiktionary, via Micwyn, micwyn.com/word/side%20effect. Accessed 6 Nov. 2026. side effect. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/side%20effect "side effect." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/side%20effect.Cite this
@misc{side_effect_2026,
title = {side effect},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/side%20effect},
urldate = {2026-11-06}
}
