side effect
noun
any effect of a drug, chemical, or other medicine that is in addition to its intended effect, especially an effect that is harmful or unpleasant.
side effects
-
pluralof side effect.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The “Avengers” star previously opened up about his hometown of Montecito, noting that the emotional weight of the change triggered some physical side effects.
From MarketWatch ● Oct. 7, 2026
The researchers believe the findings may also have relevance beyond cannabis related side effects.
From Science Daily ● Oct. 7, 2026
It's caused by "side effects of how electric cars are engineered," it adds.
From BBC ● Oct. 3, 2026
A week after the Facebook page was shuttered, she said she remained undecided about vaccinating her children, explaining that she and her husband worried about possible side effects.
From Barron's ● Oct. 2, 2026
It seems that nearly every advance in our civilization has some undesirable side effects.
From "Flying to the Moon: An Astronaut's Story" by Michael Collins
