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adverse effect. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Noun
adverse effect (plural adverse effects)
- (sciences) A side effect with negative (deleterious) consequences rather than positive (beneficial) ones; especially, such an effect in pharmacology.
- Antonym: desired effect
- Hypernyms: adverse event (loosely synonymous), side effect (loosely synonymous)
Usage notes
See adverse event § Usage notes.
Translations
side-effect, especially a negative one in pharmacology
— see also side effect