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Showing results for side effect. Search instead for seeeffekt.
Definitions

side effect

NOUN
adverse or unwanted secondary effect
Synonyms
STRONGEST
aftereffect reaction
WEAK
aftermath aftertaste by-product carry-over concomitant corollary leftover offshoot secondary response side issue sidebar spinoff

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.

But as a side effect, that change has made the initially reported numbers less predictable for now, economists say.

From The Wall Street Journal • Apr. 8, 2026

Partaking in them is not without risk—ozone therapy, for example, has the potential side effect of something called an air embolism, which can lead to a stroke or heart attack.

From Slate • Mar. 30, 2026

Researchers at Pfizer were studying a drug intended to treat angina when participants reported an unexpected side effect.

From Science Daily • Mar. 14, 2026

Jonas’ lymphoma developed as a side effect of the medication he was taking for Crohn’s disease.

From Los Angeles Times • Mar. 13, 2026

But, in fact, depression is not a side effect of cancer.

From "The Fault in Our Stars" by John Green