The Collaborative International Dictionary of English v.0.48:
Dishabille \Dis`ha*bille"\, n. [See Deshabille.] An undress; a loose, negligent dress; deshabille. [1913 Webster] They breakfast in dishabille. --Smollett. [1913 Webster]WordNet (r) 3.0 (2006):
dishabille n 1: the state of being carelessly or partially dressed [syn: dishabille, deshabille]