[syn: high-octane, high-powered, high-power, high-voltage, high-energy]
The Collaborative International Dictionary of English v.0.48:
high-voltage \high-voltage\ adj.
   1. having, operating on, or powered by high voltage; as, a
      high-voltage generator; a high-voltage line.
   Syn: high-tension.
        [WordNet 1.5]
   2. same as high-powered.
   Syn: high-octane, high-powered, high-power.
        [WordNet 1.5] highwater
WordNet (r) 3.0 (2006):
high-voltage
    adj 1: operating on or powered by a high voltage; "a high-
           voltage generator" [syn: high-voltage, high-
           potential]
    2: 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]