What is the meaning of side effect?

noun

  • A secondary and usually adverse effect of a drug or therapy.
    • usage: "severe headaches are one of the side effects of the drug"
  • Any adverse and unwanted secondary effect.
    • usage: "a strategy to contain the fallout from the accounting scandal"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). side effect. Retrieved September 20, 2026, from http://smartdefine.org/side_effect/definitions/1235408
ChicagoWordNet. 2010. "side effect" http://smartdefine.org/side_effect/definitions/1235408 (accessed September 20, 2026).
HarvardWordNet 2010, side effect, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/side_effect/definitions/1235408>.
MLAWordNet. "side effect" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/side_effect/definitions/1235408>