deleterious was our Word of the Day on 05/31/2011. Hear the podcast!
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Examples of deleterious in a Sentence
- In developing countries, the imposition of boundaries around national parks and protected areas has been deleterious for both people and wildlife. —Kristin B. Gunther, Association of American Geographers, 2002
- Most everyone now knows the action of pressing mouse keys is far more deleterious to the tender structures of the wrist and hand than typing is. —Michael Finley, Albany (New York) Times-Union, 2 Sept. 1998
- This skewed allocation of resources away from those most in need, in turn, insures that many young people from low-income families will continue to be shut out of the economy, with obvious deleterious family and social consequences. —Iris C. Rotberg, Education Week, 9 Mar. 1994
- For as James Keirans pointed out to me, ticks are the world's most notorious carriers of the agents of diseases that strike animals, wild and domestic. And they rank second only to mosquitoes in their deleterious effect on humans. —Edwards Park, Smithsonian, January 1987
The chemical is deleterious to the environment.
The drug has no deleterious effects on patients.
Recent Examples of deleterious from the Web
In large populations, natural selection efficiently weeds out deleterious genes, but in smaller groups like those early humans, harmful genes that arise—including those that foster mutations—can survive.
The employee said the briefing highlighted mostly criticisms of Mr. Pruitt’s policies as having a deleterious effect on the environment, rather than instances of threats to his personal safety.
But our fear is misplaced; there is no compelling evidence that spending time online has a deleterious effect on teens’ mental health.
The Environmental Protection Agency, which since 2009 has helped manage the Corporate Average Fuel Economy standards, known as CAFE, also played a role in burying their deleterious effects.
Marc Benioff, the chief executive of Salesforce.com, has compared the deleterious effects of social media to those of tobacco and alcohol, and has called for more regulation of those tech companies.
When adults refuse to grow and transform, the effects are deleterious on an individual’s, as well as a family’s, health and well-being.
Ferren has seen the deleterious effects of aging firsthand.
All this infighting has potentially deleterious effects on the political power of Latino Democrats in the area.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deleterious.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of deleterious
First Known Use: 1643See Words from the same year
Synonym Discussion of deleterious
- the claim that pornography has a pernicious effect on society
- the baneful notion that discipline destroys creativity
- noxious chemical fumes
- a diet found to have deleterious effects
- the detrimental effects of excessive drinking
DELETERIOUS Defined for English Language Learners
Definition of deleterious for English Language Learners
: damaging or harmful
medical Definition of deleterious
- the deleterious effects of radiation and chemotherapy on the marrow
- —Christine Gorman
- deleterious genes
Seen and Heard
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