Lacking in power, as to act effectively; helpless: “Technology without morality is barbarous; morality without technology is impotent” (Freeman J. Dyson)
If someone feels impotent, they feel that they have no power to influence people or events. The aggression of a bully leaves people feeling hurt, angry and impotent = powerless
lacking power or ability; "Technology without morality is barbarous; morality without technology is impotent"- Freeman J
{s} powerless, weak, helpless; unable to sustain an erection, unable to perform sexually (of a male)
Lacking in power, as to act effectively; helpless: "Technology without morality is barbarous; morality without technology is impotent" (Freeman J. Dyson)