Word.ws English Dictionary

adverse effects

adverse effects is the plural of adverse effect.

Meaning of adverse effect

Noun

adverse effect (plural adverse effects)

  1. A side effect with negative (deleterious) consequences rather than positive (beneficial) ones; especially, such an effect in pharmacology.
    Antonyms:
    desired effect

Questions about adverse effects

What is adverse effects the plural of?
Adverse effects is the plural of adverse effect.

Words near adverse effects in the dictionary

  1. adversativeness
  2. adversatives
  3. adversativity
  4. adverse
  5. adverse effect
  6. adverse effects
  7. adverse event
  8. adverse events
  9. adverse impact
  10. adverse impacts
  11. adverse interest

Source and license

Adapted from Wiktionary: adverse effects (page history and authors); adverse effect (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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