powerhouse

powerhouse
    n 1: a highly energetic and indefatigable person [syn:
         {powerhouse}, {human dynamo}, {ball of fire}, {fireball}]
    2: a team considered to be the best of its class
    3: an electrical generating station [syn: {power station},
       {power plant}, {powerhouse}]
    

54 Moby Thesaurus words for "powerhouse":
      Antaeus, Atlas, Briareus, Brobdingnagian, Charles Atlas, Cyclops,
      Goliath, Hercules, Polyphemus, Samson, Superman, Tarzan, Titan,
      activist, atomic power plant, ball of fire, beaver,
      big-time operator, bully, bullyboy, bustler, busy bee,
      central station, colossus, doer, eager beaver, enthusiast, giant,
      go-getter, gorilla, human dynamo, hustler, hydroelectric plant,
      live wire, man of action, man of deeds, militant, muscle man,
      new broom, operator, political activist, power plant,
      power station, stalwart, strong man, strong-arm man,
      take-charge guy, the mighty, the strong, tough, tough guy,
      tower of strength, wheeler-dealer, winner