obsolete


1ob·so·lete

adjective \ˌäb-sə-ˈlēt, ˈäb-sə-ˌ\

: no longer used because something newer exists : replaced by something newer

: no longer used by anyone

Full 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b :  of a kind or style no longer current :  old-fashioned 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I was told my old printer is obsolete and I can't get replacement parts.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

2ob·so·lete

verb \ˌäb-sə-ˈlēt, ˈäb-sə-ˌ\
ob·so·let·edob·so·let·ing

Definition of OBSOLETE

transitive verb
:  to make (something) old-fashioned or no longer useful :  make obsolete

Examples of OBSOLETE

  1. While many … do describe various small, quick-loading 35mm film cartridges, modern technology has obsoleted these. —Herbert Keppler, Popular Photography, November 1993

Origin of OBSOLETE

(see 1obsolete)
First Known Use: 1640

ob·so·lete

adjective \ˌäb-sə-ˈlēt, ˈäb-sə-ˌ\   (Medical Dictionary)

Medical Definition of OBSOLETE

: no longer active or distinct <obsolete cases of infection> <obsolete pulmonary lesions>

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