Describes a person, behavior, or appearance that is untamed, instinctive, or lacking polish. Often carries a nuance of raw, natural strength or lack of social refinement.
I was drawn to his wild charm.
The singer overwhelmed the audience with a rough, powerful voice.
Compound of 野生 (yasei, 'wild') + 的 (-teki, '-like, -ish'), forming an adjectival noun meaning 'wild-like, untamed'.