B2uncontrolled, violent, or extreme: a wild partywild dancingThe audience burst into wild applause.When I told him what I'd done, he went wild (= became very angry).The children were wild with excitement (= were extremely excited).Her eyes were wild/She had a wild look in her eyes (= her eyes were wide open, as if frightened or mentally ill).His hair was wild (= long and untidy) and his clothes full of holes.There have been wild (= extreme) variations in the level of spending.They get some wild weather (= many severe storms) in the north.It was a wild (= stormy or very windy) night, with the wind howling and the rain pouring down.UncontrolledViolent or aggressiveUnkind, cruel and unfeelingTreating people or animals badly›slangvery unusual, often in a way that is attractive or exciting: Those are wild trousers you're wearing, Fi.Informal words for goodGood, better and bestQuite good, or not very goodwildness
/ˈwaɪld.nəs/noun[U]›the wildness (= natural and extreme beauty) of the Western HighlandsDeserts, prairies and wildernesses