yě​xìng

wildness

野性 yě​xìng
wildness noun
the natural, untamed state or temperament of animals or plants

Although kept in captivity, this animal still retains its wild nature.

unruliness noun
wild or rebellious temperament in a person

This boy has been wild since he was a child; no one can control him.

Frequency

Movie subtitles
2.86 per million appears in 1% of films
Written text
2.38 per million

Sources

Definitions
CC-CEDICT