WordNet (r) 3.0 (2006):

high-energy
    adj 1: of or relating to elementary particles having energies of
           hundreds of thousands of electron volts
    2: providing a relatively large amount of energy upon undergoing
       a chemical reaction
    3: vigorously energetic or forceful; "a high-octane sales
       manager"; "a high-octane marketing plan"; "high-powered
       executives"; "a high-voltage theatrical entrepreneur" [syn:
       high-octane, high-powered, high-power, high-voltage,
       high-energy]