Obsolete \Ob"so*lete\, a. [L. obsoletus, p. p. of obsolescere.
   See {Obsolescent}.]
   1. No longer in use; gone into disuse; disused; neglected;
      as, an obsolete word; an obsolete statute; -- applied
      chiefly to words, writings, or observances.
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   2. (Biol.) Not very distinct; obscure; rudimental;
      imperfectly developed; abortive.
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   Syn: Ancient; antiquated; old-fashioned; antique; old;
        disused; neglected. See {Ancient}.
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	-- From The Collaborative International Dictionary of English v.0.48

Obsolete \Ob"so*lete\, v. i.
   To become obsolete; to go out of use. [R.] --Fitzed. Hall.
   [1913 Webster]

	-- From The Collaborative International Dictionary of English v.0.48