23 Moby Thesaurus words for "barrens": Arabia Deserta, Death Valley, Sahara, barren, barren land, brush, bush, desert, desolation, dust bowl, heath, howling wilderness, karroo, lunar landscape, lunar waste, outback, salt flat, waste, wasteland, weary waste, wild, wilderness, wilds

Source: Moby Thesaurus II by Grady Ward, 1.0