Open English Wordnet
Nouns
(n)wild, natural state, state of naturea wild primitive state untouched by civilization“he lived in the wild”, “they collected mushrooms in the wild”
(n)wilderness, wilda wild and uninhabited area left in its natural condition“it was a wilderness preserved for the hawks and mountaineers”
Adjectives
(s)baseless, groundless, idle, unfounded, unwarranted, wildwithout a basis in reason or fact“baseless gossip”, “the allegations proved groundless”, “idle fears”, “unfounded suspicions”, “unwarranted jealousy”
(s)godforsaken, waste, wildlocated in a dismal or remote area; desolate“a desert island”, “a godforsaken wilderness crossroads”, “a wild stretch of land”, “waste places”
(s)barbarian, barbaric, savage, uncivilized, uncivilised, wildwithout civilizing influences“barbarian invaders”, “barbaric practices”, “a savage people”, “fighting is crude and uncivilized especially if the weapons are efficient” (Margaret Meade), “wild tribes”