Entry 2 senses · 2 variants Webster, 1913 Sloughy · Slough·y · IPA /ˈslaʊ.i/ a. a. 01 a. Full of sloughs, miry. 1. Full of sloughs, miry. 02 a. Resembling, or of the nature of, a slough, or the dead matter which separates from living flesh. 1. Resembling, or of the nature of, a slough, or the dead matter which separates from living flesh.