English Dictionary

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English Dictionary

side effect



  1. any unwanted nontherapeutic effect caused by a drug Compare aftereffect (sense 2
  2. any secondary effect, esp an undesirable one

Translations for 'side effect'

  • British English: side effect The side effects of a drug are the effects, usually bad ones, that the drug has on you in addition to its job of curing illness or pain.The treatment has several unpleasant side effects.saɪd ɪˈfɛkt NOUN
  • Arabic: آثَارٌ جَانِبِيَّة
  • Brazilian Portuguese: efeito colateral
  • Chinese: 副作用
  • Croatian: nuspojava
  • Czech: vedlejší účinek
  • Danish: bivirkning
  • Dutch: neveneffect
  • European Spanish: efecto secundario
  • Finnish: sivuvaikutus
  • French: effet secondaire
  • German: Nebenwirkung
  • Greek: παρενέργεια
  • Italian: effetto collaterale
  • Japanese: 副作用
  • Korean: 부작용
  • Norwegian: bivirkning
  • Polish: skutek uboczny
  • Portuguese: efeito secundário
  • Romanian: efect secundar efecte secundare
  • Russian: побочный эффект
  • Spanish: efecto secundario
  • Swedish: biverkning
  • Thai: ผลข้างเคียง
  • Turkish: yan etki
  • Ukrainian: побічний ефект
  • Vietnamese: tác dụng phụ


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