• (biology) Imperfectly developed; not very distinct.
  • (of words, equipment, etc.) No longer in use; gone into disuse; disused or neglected (often by preference for something newer, which replaces the subject).

    "It is speculated that, within a few years, the Internet's speedy delivery of news worldwide will make newspapers obsolete."


  • (transitive, US) To cause to become obsolete.

    "We are in the process of obsoleting this product."

  • "This software component has been obsoleted."

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