side effect
noun
: a secondary and usually adverse effect (as of a drug)
toxic side effects
called also side reaction
Examples of side effect in a Sentence
Nausea and diarrhea are the side effects of the drug.
the harmful side effects of using chemicals to kill insects
The merger created positive side effects for both companies.
Recent Examples on the Web
Among the myriad side effects of the pandemic: a surge in billboards and bus ads for personal injury law firms.
—
Caroline Petrow-Cohen, Los Angeles Times, 24 Apr. 2024
However, those side effects are typically associated with higher doses of 45 milligrams per day or more.
—Sarah Anzlovar, Ms, Verywell Health, 23 Apr. 2024
See all Example Sentences for side effect 
Caroline Petrow-Cohen, Los Angeles Times, 24 Apr. 2024
However, those side effects are typically associated with higher doses of 45 milligrams per day or more.
—Sarah Anzlovar, Ms, Verywell Health, 23 Apr. 2024
See all Example Sentences for side effect
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'side effect.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near side effect
Cite this Entry
“Side effect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/side%20effect. Accessed 3 May. 2024.
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