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Synonyms
Examples of harmful in a Sentence
DDT has been proven to be extremely harmful to the environment.
Recent Examples on the Web
The following sections explore practical strategies for reversing these harmful impacts through empowering management practices.
—Jonathan H. Westover, Forbes, 9 Oct. 2024
It’s designed for people with dry and combination skin, providing deep hydration and nourishment without harmful fragrances, parabens, or phthalates.
—Clara McMahon, People.com, 9 Oct. 2024
Novels that leave wrongdoing out of their worlds imply that no transgression, marital or otherwise, could be that small, and that for a character to do something genuinely harmful would bring their whole life crashing down.
—Lily Meyer, The Atlantic, 8 Oct. 2024
University of Pennsylvania climate scientist Michael Mann expressed worries on the ethics framework that just talking about guidelines will make the tinkering more likely to occur in the real world, something that could have harmful side effects.
—Eleanor Pringle, Fortune, 8 Oct. 2024
See all Example Sentences for harmful
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'harmful.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
14th century, in the meaning defined above
Time Traveler
The first known use of harmful was
in the 14th century
Dictionary Entries Near harmful
Cite this Entry
“Harmful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/harmful. Accessed 22 Oct. 2024.
Kids Definition
Legal Definition
harmful
adjective
harm·ful
: of a kind likely to cause harm
harmfully
adverb
harmfulness
noun
More from Merriam-Webster on harmful
Nglish: Translation of harmful for Spanish Speakers
Britannica English: Translation of harmful for Arabic Speakers
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