Synonyms for High-energy (same or very similar meaning)
WordNet sense 1 (possessing or exerting or displaying energy):
energeticWordNet sense 2 (vigorously energetic or forceful):
high-power, high-voltageWordNet sense 3 (characterized by action or forcefulness or force of personality):
dynamic, dynamicalFrom the ODE community, based on WordNetadd/edit