uliginous /juːˈlɪd͡ʒɪnəs/ adjective3 •Marshy, swampy, waterlogged. •Growing in muddy places.Ranunculus Lapponicus, L. Uliginous or subaquatic, fibrous-rooted, with entire or merely denticulate or crenulated and petiolate leaves. — 1886 •Slimy. formsmore uliginous · most uliginous