[noun]The animals would produce more young in the wild (= living independently of people, in natural conditions) than they do in the zoo.She lives somewhere in the wilds of Borneo (= in a part of that country that has few towns or roads, is difficult to get to and is not considered an easy place to live).
WILD
Meaning of WILD in English
Cambridge English vocab. Кембриджский английский словарь. 2012