The Collaborative International Dictionary of English v.0.48:

Unclothed \Un*clothed"\, a.
   1. [Properly p. p. of unclothe.] Divested or stripped of
      clothing. --Byron.
      [1913 Webster]

   2. [Pref. un- not + clothed.] Not yet clothed; wanting
      clothes; naked.
      [1913 Webster] -- Un*cloth"ed*ly, adv. [Obs.] --Bacon.
      [1913 Webster]