out-of-date

from WordNet (r) 3.0 (2006)

out-of-date
    adj 1: old; no longer valid or fashionable; "obsolete words";
           "an obsolete locomotive"; "outdated equipment";
           "superannuated laws"; "out-of-date ideas" [syn:
           {outdated}, {out-of-date}, {superannuated}]

from The Collaborative International Dictionary of English v.0.48

out-of-date \out-of-date\ adj.
   1. same as {old-fashioned}, a., 2.

   Syn: antique, demode, old-fashioned, old-hat(predicate),
        outmoded, out of fashion(predicate), out of
        style(predicate), passe, passee.
        [WordNet 1.5]

   2. Unacceptable because it is inferior to current standards,
      procedures, or technology; outmoded[2]; noncurrent.
      {current}

   Syn: obsolete, outmoded[2], superannuated.
        [WordNet 1.5]

   3. no longer valid.

   Syn: back(prenominal), outdated.
        [WordNet 1.5]