Dictionary
pow•er•less
Pronunciation: (pou'ur-lis), [key]—
adj.
1. unable to produce an effect:
a disease against which modern medicine is virtually powerless.
2. lacking power to act; helpless:
His legs crumpled, and he was powerless to rise. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.