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 One side effect of this is a new distance from OpenAI, in addition to its existing chilly relationship with Anthropic, and from the growing number of AI employees in Silicon Valley who also support the calls for a slowdown. — Beatrice Nolan, Fortune, 23 Sep. 2026 That close connection between computing and memory, which Nvidia and others have only recently shifted toward, had the side effect of making Macs good at AI. — Stephen Nellis, USA Today, 22 Sep. 2026 The rocky planet's exceptional brightness is a side effect of its dense atmosphere, which veils the planet's surface beneath dense sulphuric acid clouds that reflect 70% of incoming sunlight back out into space, according to MIT. — Anthony Wood, Space.com, 18 Sep. 2026 Another common side effect is appetite suppression that is more severe than people want. — Korin Miller, Allure, 16 Sep. 2026 See All Example Sentences for side effect
Recent Examples of Synonyms for side effect
Noun
  • Consider the party’s hesitancy in addressing the financial ramifications of China’s demographic decline.
    — Carl Minzner, Foreign Affairs, 5 Oct. 2026
  • The ultimate decision could have broad ramifications for similar lawsuits around the country.
    — Kayla Hayempour, NBC news, 5 Oct. 2026
Noun
  • Diesel fuel has been setting nominal record highs – an aftereffect of rising global oil prices as well as a supply bottleneck from refineries damaged by the wars in Ukraine and Iran.
    — Natasha Chen, CNN Money, 7 Oct. 2026
  • Nor has Erica’s return to duty silenced the aftereffects of her time with the Gorn.
    — Keith Phipps, Vulture, 3 Sep. 2026
Noun
  • Commercial designs would more likely control groups of cells to reduce hardware complexity and cost.
    — Neetika Walter, Interesting Engineering, 9 Oct. 2026
  • Generally, meetings happen at least once per year, but the cadence may vary based on complexity and the scope of the engagement.
    — Kate Dore, CFP®, EA,Kelli Grant, CFP®, CNBC, 8 Oct. 2026
Noun
  • Because of this, the resulting code tends to exhibit redundancy and convolution and to lack a unified engineering standard.
    — Ihor Hamal, Forbes.com, 18 Aug. 2026
  • In their alternating waves of resentment and understanding, anger and sorrow, D’Arcy and Cooke imbue Rhaenyra and Alicent’s dynamic with all the weight of this history and none of its convolutions.
    — Alison Herman, Variety, 15 June 2026
Noun
  • Lexington County Coroner Margaret Fisher announced Friday that Moore died from complications of cardiac dysrhythmia with premature ventricular contractions, a condition involving an abnormal heart rhythm.
    — Greg Wehner, FOXNews.com, 9 Oct. 2026
  • And those implications and complications for Gabrielle ended up shaping my novel’s narrative considerably.
    — Literary Hub, Literary Hub, 9 Oct. 2026

Browse Nearby Words

Cite this Entry

“Side effect.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/side%20effect. Accessed 12 Oct. 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