high-voltage adj 1: operating on or powered by a high voltage; "a high-voltage generator" [syn: {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-energy}]