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View synonyms for

deleterious

[ del-i-teer-ee-uhs ]

adjective

  1. injurious to health:

    deleterious gases.

  2. harmful; injurious:

    deleterious influences.

    Synonyms: , , ,

    Antonyms:



deleterious

/ ˌɛɪˈɪəɪə /

adjective

  1. harmful; injurious; hurtful
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ˌˈٱdzܲ, adverb
  • ˌˈٱdzܲԱ, noun
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Other Word Forms

  • e·ٱ۾·dzܲ· adverb
  • e·ٱ۾·dzܲ·Ա noun
  • ԴDzd··ٱ۾·dzܲ adjective
  • ԴDzd··ٱ۾·dzܲ·ly adverb
  • ԴDzd··ٱ۾·dzܲ·ness noun
  • ܲd··ٱ۾·dzܲ adjective
  • ܲd··ٱ۾·dzܲ·ly adverb
  • ܲd··ٱ۾·dzܲ·ness noun
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Word History and Origins

Origin of deleterious1

1635–45; < Greek ŧŧḗrDz destructive, adj. derivative of ŧŧḗr destroyer, equivalent to ŧŧ- variant stem of ŧîٳ󲹾 to hurt, injure + agent suffix + -ios adj. suffix; -ious
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Word History and Origins

Origin of deleterious1

C17: from New Latin ŧŧŧܲ, from Greek ŧŧŧDz injurious, destructive, from ŧ𾱲ٳ󲹾 to hurt
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Example Sentences

Examples have not been reviewed.

The proposed change comes amid a flurry of actions by the Trump administration to push for more development and resource extraction on public lands, which conservationists believe will harm wildlife, among other deleterious effects.

From

There is no evidence or reason to suggest Hamilton's age will have a deleterious effect on him.

From

Diversity, equity, and inclusion initiatives are to assist many average people, but these efforts have been demonized and portrayed as deleterious to society mostly by adversely affecting white, Christian men.

From

made that episode particularly deleterious, however, was not that we had too much regulation but too little; that laissez-faire ethos is rooted in the importance of land ownership, a central basis of American capitalism.

From

“If they make certain statements that could have a very deleterious effect or be very disruptive in the class, then the district may have some ability to engage in discipline,” Eliasberg said.

From

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deletedeletion