1. energetic possessing or displaying forceful exertion
  2. energize cause to be alert and active
  3. energy forceful exertion
  4. energise cause to be alert and energetic
  5. energid a biological unit consisting of a nucleus and the body of cytoplasm with which it interacts
  6. energetically in an energetic manner
  7. unrequited not returned in kind
  8. inherent existing as an essential constituent or characteristic
  9. enervating causing weakness or debilitation
  10. unforgettable impossible to dismiss from the mind
  11. energy state a definite stable energy that a physical system can have
  12. intractable difficult to manage or mold
  13. enervate weaken physically, mentally, or morally
  14. anorectic suffering from anorexia nervosa; pathologically thin
  15. inert gas any of the chemically inert gaseous elements of the helium group in the periodic table
  16. inertness immobility by virtue of being inert
  17. unreactive (chemistry) not reacting chemically
  18. energizing the activity of causing to have energy and be active
  19. energy unit a unit of measurement for work
  20. genus Octopus type genus of the family Octopodidae