viscous Woodhouse Riddle-Arnold Greek Short Definitions viscous adj. P. γλισχρός, γλοιώδης. VISCID VISCOUS viscosus (Pall.): lentus (Verg.): tenax (Plin.). appearing fewer than 50 timesκατάγλισχροςviscousκολλώδηςglutinous, viscous