gelatinousEnglishOxford American Thesaurusgelatinous adjective the grain is cooked until it becomes gelatinous: jelly-like, glutinous, ropy, gummy, sticky, gluey, slimy, thick, viscous; technical mucilaginous, colloidal, viscid; informal gooey, gunky, gloopy, cloggy, icky; North American, informal gloppy; rare viscoid. ▷antonyms runny.