deleterious

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“
I firmly believe that his enlargement of government will create a drag on our future progress that will have long term deleterious effects on our well being.

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Definitions (5)

Toggle American Heritage definitions American Heritage Dictionary (1)

  1. adjective Having a harmful effect; injurious: the deleterious effects of smoking.

Toggle Century definitions Century Dictionary (2)

Toggle GNU Webster definitions GNU Webster's 1913 (1)

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Examples (50)

  • Humanity is an organism, inherently rejecting all that is deleterious, that is, wrong, and absorbing after trial what is beneficial, that is, right. —  Autobiography of Andrew Carnegie
  • If many spontaneous mutations are slightly deleterious, this shift in the breeding system is expected to lead to a reduced efficacy of natural selection and genome-wide changes in the rates of molecular evolution. —  CiteULike: Everyone's library
  • "The real critical issue that everyone is struggling with is, What about the potential long-term deleterious effects of ART that might override the beneficial effects?" says Fauci. —  TIME.com: Top Stories
  • WNK1 function is deleterious, as demonstrated by homozygous knockout mice which are embryonic lethal —  PLoS ONE Alerts: New Articles
  • Logging them would only disturb this process with long-term deleterious effects to the ecosystem. —  portland indymedia - features
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Roget's II Roget's II: The New Thesaurus

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Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary. Copyright © 2003, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. From Greek dēlētērios, from dēlētēr, destroyer, from dēleisthai, to harm.

Toggle Century etymologies Century Dictionary (1)

  1. = French delétère = Spanish deleterco = Portuguese Italian deleterio, from Middle Latin *delelerius, from Greek δηλητήριος, noxious, deleterious, from δηλητήρ, a destroyer, from δηλεῑσθαι, hurt, damage, spoil, waste.
 

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/dɛləˈtirɪəs/
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