The word "impotent" refers to the inability or lack of power to perform or achieve something, such as being physically or emotionally weak or ineffective. Full definition
Helping others can be a big self - esteem booster, especially for teenagers who often feel impotent in a world they have no control over. (childdevelopmentinfo.com)
It helped that Ferguson was a hot news story, and people felt a sense of impotent rage over the shooting of yet another unarmed black man. (beyondyourblog.com)
Of course the Left, left to itself is just as impotent as the Right and, whilst it isn't up against innate opposition to intervention and regulation, is hampered by being, in recent times, more of an amalgam that tries to be all things to all people. (johnquiggin.com)