harmful
Americanadjective
adjective
Other Word Forms
- harmfully adverb
- harmfulness noun
- quasi-harmful adjective
- quasi-harmfully adverb
- unharmful adjective
- unharmfully adverb
Etymology
Origin of harmful
First recorded before 1000; Middle English; Old English hearmful; harm, -ful
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 study, published in Nature Genetics and supported by federal grants and private funding, points to potential ways to target harmful folding patterns linked to disease.
From Science Daily
In response, the state said its law “safeguards public health” by prohibiting “a discredited practice” that was shown to be harmful.
From Los Angeles Times
Australia's ban was justified by campaigners and the government as necessary to protect children from harmful content and addictive algorithms.
From BBC
“FDA is unable to test and identify all products marketed as dietary supplements that have potentially harmful hidden ingredients.”
From Los Angeles Times
The settlement followed an investigation into lending practices that Oregon’s then-attorney general, in a news release, described as “predatory and harmful.”
From Salon
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
