Entry 2 senses Webster, 1913 Fuliginous · Fu·lig·i·nous · IPA /fjuːˈlɪ.d͡ʒɪ.nəs/ 01 a. Pertaining to soot; sooty; dark; dusky. 1. Pertaining to soot; sooty; dark; dusky. 2. Pertaining to smoke; resembling smoke.