Dishabille

(n.) The state of being carelessly or partially dressed; a loose, negligent dress; deshabille.

Thesaurus Entries

bathrobe, bed jacket, brunch coat, casual clothes, dressing gown, housecoat, kimono, lounging robe, morning dress, neglige, negligee, robe, robe-de-chambre, smoking jacket, something comfortable, sport clothes, undress, wrap, wrapper