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obsolete


1ob·so·lete

adj \ˌäb-sə-ˈlēt, ˈäb-sə-ˌ\

Definition of OBSOLETE

1
a : no longer in use or no longer useful <an obsolete word> b : of a kind or style no longer current : old-fashioned <an obsolete technology>
2
of a plant or animal part : indistinct or imperfect as compared with a corresponding part in related organisms : vestigial
ob·so·lete·ly adverb
ob·so·lete·ness noun

Examples of OBSOLETE

  1. The system was made obsolete by their invention.
  2. <I was told my old printer is obsolete and I can't get replacement parts.>
  3. It may not be welcome news in her home state of Pennsylvania, but chemist Cynthia Kuper could help make steel obsolete. Experimenting with carbon nanotubes, structures a few atoms wide but 100 times stronger and much lighter than steel, Kuper calls her work an amusement park discovery. —Joanna Chung, Newsweek, 23 Sept. 2002

Origin of OBSOLETE

Latin obsoletus, from past participle of obsolescere to grow old, become disused, perhaps from ob- toward + solēre to be accustomed
First Known Use: 1579

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