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Definitions

harmful

[hahrm-fuhl] / ˈhɑrm fəl /


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.

This finding suggests that aging lung tissue itself may be a major driver of harmful inflammation.

From Science Daily • Apr. 3, 2026

“The best thing you can say about them is that they weren’t as harmful people thought they would be,” said Scott Lincicome, the vice president of general economics at the Cato Institute in Washington, D.C.

From Barron's • Apr. 2, 2026

“The tariffs aren’t harmful any longer,” Molly Beerman, Alcoa’s chief financial officer, told investors recently.

From The Wall Street Journal • Apr. 2, 2026

“FDA is unable to test and identify all products marketed as dietary supplements that have potentially harmful hidden ingredients.”

From Los Angeles Times • Mar. 30, 2026

The windshield, he figured, would protect his eyes by filtering out the blast’s harmful ultraviolet light—and would give him a better view than the welder’s glass.

From "Bomb" by Steve Sheinkin