The Collaborative International Dictionary of English v.0.48:
neglige \neg`li*ge"\, negligee \neg`li*gee"\(n[e^]g`l[i^]*zh[=a]"; F. n[asl]`gl[-e]`zh[asl]"), n. [Also spelled neglig['e] and neglig['e]e.][F. n['e]glig['e], fr. n['e]gliger to neglect, L. negligere. See Neglect.] 1. An easy, unceremonious attire; undress. [1913 Webster] 2. A kind of loose, flowing dressing gown worn by women, usually made of sheer fabric. Syn: negligee, peignoir. [1913 Webster + PJC]