Pronunciation: (hī'pou'urd), [key]
1. extremely energetic, dynamic, and capable: high-powered executives.
2. of a forceful and driving character: high-powered selling techniques.
3. capable of a high degree of magnification: a high-powered microscope.
4. very powerful.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.