energetic

Từ điển American Heritage Dictionary 4th

en·er·get·ic (ĕn'ər-jĕtʹĭk)adj.
1. Possessing, exerting, or displaying energy. See Synonyms at active.
2. Of or relating to energy. [Greek energētikos, from energein, to be active, from energos, active. See energy.] en'er·getʹi·cal·ly adv.

• Từ đồng nghĩa / Synonyms:
  gumptious, industrious, up-and-coming
• Từ trái nghĩa / Antonyms:
  lethargic, unenrgetic