side effect

variants also side reaction
Definition of side effectnext

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of side effect Another side effect is dependency, which may occur with prolonged use of allergy medication. Bestreviews, Chicago Tribune, 18 Mar. 2026 Federal law requires drug manufacturers to forward reports of potential serious side effects to the FDA within 15 days, regardless of whether patients or doctors believe the side effect is directly related to the drug. Austin Fast, USA Today, 17 Mar. 2026 This is just one new side effect from a push by company executives to make workers use AI more. Allison Morrow, CNN Money, 13 Mar. 2026 The side effect of that is a lack of details in their game, which this trip exemplified more than at any other point this season. Arpon Basu, New York Times, 8 Mar. 2026 See All Example Sentences for side effect
Recent Examples of Synonyms for side effect
Noun
  • Bilash, Atajurt’s founder, says the arrests would have widespread ramifications.
    ABC News, ABC News, 16 Apr. 2026
  • Calling a pope, in this case, Pope Leo, weak or soft on crime is really personalizing things in a way that will have broad ramifications.
    Mike Toole, CBS News, 14 Apr. 2026
Noun
  • The economic aftereffects, given Iran’s oil production and its control over the Strait of Hormuz, could be also substantial.
    Adam Serwer, The Atlantic, 4 Mar. 2026
  • The difference between the event and the signature food from just down the street, however, lies in its aftereffect.
    Joseph Hoyt, Dallas Morning News, 28 Feb. 2026
Noun
  • Those compounds give bran its tannic edge, its signature complexity with the dark roast notes of coffee and the deep purple of red wine.
    The New York Times News Service Syndicate, San Diego Union-Tribune, 15 Apr. 2026
  • Together in a bowl or plate, beans and greens have enough complexity and umami to please carnivores and vegetarians alike.
    Michelle Huneven, Los Angeles Times, 15 Apr. 2026
Noun
  • Previous studies have shown that hardware tailored for specific mathematical operations, such as Fourier and convolution transforms, can significantly outperform general-purpose processors.
    Atharva Gosavi, Interesting Engineering, 13 Jan. 2026
  • The twists, worries and delays in her story highlight the convolution of the U.S. immigration system and the challenges anyone who crossed the border without authorization faces in trying to become a legal resident.
    Sophie Carson, jsonline.com, 3 Dec. 2025
Noun
  • Technical skill alone has been shown to account for more than a quarter of the variation in complication rates among surgeons performing the same procedure.
    Mathias P. Bostrom, Fortune, 16 Apr. 2026
  • Despite the potential complications, the mom-to-be — who also welcomed a healthy baby girl about two years prior — stood steadfast and refused to do that.
    Kimberlee Speakman, PEOPLE, 16 Apr. 2026

Browse Nearby Words

Cite this Entry

“Side effect.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/side%20effect. Accessed 21 Apr. 2026.

More from Merriam-Webster on side effect

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster