wild

Living or growing in its natural state; not domesticated or cultivated. (e.g., wild animals, wild flowers)

Of a place: uninhabited, uncultivated, or desolate. (e.g., wild country)

Uncontrolled, unrestrained, or unruly; not subject to human control. (e.g., wild behavior, a wild party)

Violent, turbulent, or stormy. (e.g., wild weather, wild seas)

Extremely enthusiastic or excited. (e.g., wild applause)

Rash, foolish, or impractical. (e.g., a wild idea, wild speculation)

(Of hair or a beard) disheveled or untidy.

(In card games) able to be substituted for any other card. (e.g., a wild card)

In a wild manner; without control or restraint. (e.g., running wild)

An uncultivated, uninhabited, or desolate region. (e.g., the wild, out in the wild)