na-adjective
energetic; vigorous; full of energy
Describes a person, action, or atmosphere that is lively, forceful, and full of drive. Often used for people with a dynamic personality or for energetic performances.
from German energisch
彼はとてもエネルギッシュな人だ。
He is a very energetic person.
彼女
The audience was captivated by her energetic dance.