Definition of "impotent" []

• Lacking physical strength or vigor; weak. (adjective)
• Lacking in power, as to act effectively; helpless: "Technology without morality is barbarous; morality without technology is impotent” ( Freeman J. Dyson). (adjective)
• Incapable of sexual intercourse, often because of an inability to achieve or sustain an erection. (adjective)
• Sterile. Used of males. (adjective)
• Obsolete Lacking self-restraint. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "She sprang to her feet, wringing her hands in impotent wrath."
• ""Eh, you old scoundrel," he added, turning to the old chief, who sat gibbering in impotent rage at the foot of the steps."
• "The small group of soldiers screamed and waved their weapons in impotent rage, but most wept silently, clinging to loved ones, stoically awaiting their fate."