/ ˌenəˈdʒetɪk; NAmE ˌenərˈdʒ-/ adjective
having or needing a lot of energy and enthusiasm :
He knew I was energetic and dynamic and would get things done.
an energetic supporter
The heart responds well to exercise.
For the more energetic (= people who prefer physical activities) , we offer windsurfing and diving.
I think I'd prefer something a little less energetic.
► en·er·get·ic·al·ly / -kli; NAmE / adverb
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WORD ORIGIN
mid 17th cent. (in the sense powerfully effective ): from Greek energētikos , from energein operate, work in or upon (based on ergon work).