Entry 2 senses Webster, 1913 neglige /(nĕg`lĭ*zhā"; F. nā̇`glē̇`zhā̇")/ · neg·li·ge · IPA 01 n. An easy, unceremonious attire; undress. 1. An easy, unceremonious attire; undress. 2. A kind of loose, flowing dressing gown worn by women, usually made of sheer fabric. Syn. negligee, peignoir.