Showing results for side effects. Search instead for worldwide effects.

side effects

NOUN

adverse or unwanted secondary effect

Synonyms

STRONGEST

aftereffect reaction

WEAK

aftermath aftertaste byproduct carryover 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.

Pfizer is hopeful that the experimental drug can lessen the side effects like nausea and diarrhea that occur with GLP-1s.

From MarketWatch • Jun. 6, 2026

Tamoxifen can substantially reduce breast cancer incidence in high-risk patients, but many eligible women do not take the drug because of concerns about side effects.

From Science Daily • Jun. 6, 2026

Pairing it with immunotherapy in a single drug appears to somehow sharpen the benefit while reducing the side effects, Schoenfeld said.

From The Wall Street Journal • Jun. 6, 2026

One of the hardest parts of cancer is how little control you have over any of it - the diagnosis, treatment, or the side effects.

From BBC • Jun. 3, 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