(of an animal, plant, or person) grow or develop without restraint or discipline
（動植物，人）瘋狂生長；變野蠻；變粗暴；失去控制（約束）
these horses have been running wild since they were born.
這些馬自出生以來一直缺乏馴化。
her imagination had run wild.
她讓自己的想象力自由馳騁。
uncouth in appearance or behaviour
粗野的，野蠻的