The Collaborative International Dictionary of English v.0.48:

Discontinue \Dis`con*tin"ue\, v. t. [imp. & p. p.
   Discontinued; p. pr. & vb. n. Discontinuing.] [Cf. F.
   discontinuer.]
   To interrupt the continuance of; to intermit, as a practice
   or habit; to put an end to; to cause to cease; to cease
   using, to stop; to leave off.
   [1913 Webster]

         Set up their conventicles again, which had been
         discontinued.                            --Bp. Burnet.
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         I have discontinued school
         Above a twelvemonth.                     --Shak.
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         Taught the Greek tongue, discontinued before in these
         parts the space of seven hundred years.  --Daniel.
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         They modify and discriminate the voice, without
         appearing to discontinue it.             --Holder.
   [1913 Webster]

WordNet (r) 3.0 (2006):

discontinued
    adj 1: stopped permanently or temporarily; "discontinued
           models"; "a discontinued magazine"; "a discontinued
           conversation" [ant: continued]