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Definition of "obsolete" []

  • No longer in use: an obsolete word. (adjective)
  • Outmoded in design, style, or construction: an obsolete locomotive. (adjective)
  • Biology Vestigial or imperfectly developed, especially in comparison with other individuals or related species; not clearly marked or seen; indistinct. Used of an organ or other part of an animal or plant. (adjective)
  • To cause to become obsolete. (verb-transitive)
  • Out of use or practice; not current (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Out of date; unfashionable or outmoded (adjective)
  • (of parts, organs, etc) vestigial; rudimentary (adjective)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "obsolete" in a sentence
  • "Promoted to Headline (H3) on 1/16/09: Apropos of Vilsack and Monsanto: Doctors in India point to genetic engineering's 'obsolete technology' yahooBuzzArticleHeadline = 'Apropos of Vilsack and Monsanto: Doctors in India point to genetic engineering\'s \'obsolete technology\' '; yahooBuzzArticleSummary =' Article: In India where Mayhco is Monsanto\'s distributor, doctors are questioning every aspect of genetically engineered food as well as the government accepting Mahyco\'s own studies that Bt-brinjal is safe. '"
  • "What it has done and how it has done it, "published later as Tract 41 and renamed, when the passage of years rendered the title obsolete," The"
  • "A term obsolete in Science if used with reference to Spirit, or Deity."