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
The drugs have been shown to help people with obesity lose up to 15 percent of their body weight, but come with side effects that mean many struggle to stay on the drugs for long—and weight regain is common for patients who come off the medication.
—
Thomas G. Moukawsher, Newsweek, 5 Nov. 2024
Is Taurine Safe? Supplemental taurine is considered very safe and isn't associated with adverse side effects, even when taken in high doses for long periods.
—Jillian Kubala, Rd, Health, 5 Nov. 2024
Some people experience no side effects, while others may experience side effects for a few months until their body adjusts to the IUD.
—Lindsay Curtis, Verywell Health, 5 Nov. 2024
Even better, the pill was well tolerated with only mild side effects, and patients continuing treatment were seeing further weight loss.
—Jesse Pound,samantha Subin, CNBC, 3 Nov. 2024
See all Example Sentences for side effect 
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Thomas G. Moukawsher, Newsweek, 5 Nov. 2024
Is Taurine Safe? Supplemental taurine is considered very safe and isn't associated with adverse side effects, even when taken in high doses for long periods.
—Jillian Kubala, Rd, Health, 5 Nov. 2024
Some people experience no side effects, while others may experience side effects for a few months until their body adjusts to the IUD.
—Lindsay Curtis, Verywell Health, 5 Nov. 2024
Even better, the pill was well tolerated with only mild side effects, and patients continuing treatment were seeing further weight loss.
—Jesse Pound,samantha Subin, CNBC, 3 Nov. 2024
See all Example Sentences for side effect
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 17 Nov. 2024.
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