A powerhouse is someone or something with exceptional strength, energy, or ability that produces impressive results.

When coaches call an athlete a powerhouse, they mean that person dominates their sport through strength, skill, or sheer determination. A basketball team might be a powerhouse if they win championship after championship. A debate team that sweeps competitions year after year is a powerhouse.

The word also describes people who accomplish remarkable things through intense effort and ability. A scientist who makes breakthrough after breakthrough might be called a powerhouse of innovation. A student who excels in academics, sports, and music could be described as a powerhouse. Companies like Apple or Toyota are called powerhouses in their industries because they consistently produce excellent products and influence entire markets.

What makes someone or something a powerhouse is the combination of ability and the drive to use it effectively. A powerhouse has potential and delivers results that make others take notice. When you hear someone described as a powerhouse, you know they're a force to be reckoned with.