showing sustained enthusiastic action with unflagging vitality; "an indefatigable advocate of equal rights"; "a tireless worker"; "unflagging pursuit of excellence"
devoted to a cause or ideal or purpose; "a dedicated dancer"; "dedicated teachers"; "dedicated to the proposition that all men are created equal"- A.Lincoln
possessing or exerting or displaying energy; "an energetic fund raiser for the college"; "an energetic group of hikers"; "it caused an energetic chemical reaction"