adverse effect

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English

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Noun

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adverse effect (plural adverse effects)

  1. (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

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See adverse event § Usage notes.

Translations

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