Source : Webster's Revised Unabridged Dictionary (1913)

Dishabille \Dis`ha*bille"\, n. [See {Deshabille}.]
   An undress; a loose, negligent dress; deshabille.

         They breakfast in dishabille.            --Smollett.

Source : WordNet®

dishabille
     n : the state of being carelessly or partially dressed [syn: {deshabille}]