Crossword clues for Viscous substance. 5 letters:LIMEDSmeared with a viscous substance.GOOPSThick, viscous substancesSLIMEViscous substance.BETARCover with viscous substance.GOOSViscous substancesTARSApplies a viscous substance toGOOViscous substanceGOOPViscous substanceSLIMESCovers with a viscous substance.GLUEViscous substanceOILViscous substanceINCOLDBLOODItem: 1966 true-crime work. Problem: Pages soaked with viscous red substance.RESINSViscous plant substancesGOOSViscous, sticky substances