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impotent

American  
[im-puh-tuhnt] / ˈɪm pə tənt /

adjective

  1. not potent; lacking power or ability.

    Synonyms:
    helpless, powerless
  2. utterly unable (to do something).

    Synonyms:
    helpless, powerless
  3. without force or effectiveness.

    Synonyms:
    weak, feeble, ineffective, ineffectual
  4. lacking bodily strength or physically helpless.

  5. (of a male) unable to attain or sustain a penile erection.

  6. (especially of a male) sterile.

  7. Obsolete. without restraint.


noun

  1. an impotent person.

    therapy for sexual impotents.

impotent British  
/ ˈɪmpətənt /

adjective

  1. (when postpositive, often takes an infinitive) lacking sufficient strength; powerless

  2. (esp of males) unable to perform sexual intercourse See erectile impotence

  3. obsolete lacking self-control; unrestrained

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms


Etymology

Origin of impotent

First recorded in 1350–1400; Middle English, from Latin impotent-, stem of impotēns “without power over oneself or others”; equivalent to im- 2 + potent 1


Explanation

Impotent means lacking power or authority. Captain Bligh was impotent in the face of Christian's mutiny. It also refers to a man's inability to achieve or maintain an erection. If a man is sterile, or unable to reproduce, he is also called impotent. Those wacky ancients really knew how to mess with you — simply add the prefix im to the front of potent, which means "powerful," and you get its opposite — "powerless." While Viagra can help when the problems are physiological, an impotent leader has lost his ability to govern. No little blue pill will dig him out of that hole. It can also allude to a certain meaninglessness, such as the music critic who wrote that the easy listening genre of pop was so dull as to be "the soundtrack to impotence."

Keep Reading on Vocabulary.com

Vocabulary lists containing impotent

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Mehmed rode his horse to the edge of the sea and watched in impotent fury as his navy failed to stop them.

From The Wall Street Journal ● Aug. 5, 2026

Otherwise you’re just railing in impotent fury at the companies frying the planet.

From MarketWatch ● Jul. 17, 2026

In recent weeks, with Russian air defenses increasingly impotent, Ukraine has unleashed its drone campaign.

From The Wall Street Journal ● Jun. 26, 2026

“It made me angry, but I felt so impotent because, well, what do I do?”

From Los Angeles Times ● Dec. 17, 2025

He paused, beaming, and I could just tell he was getting ready to lay some impotent elfin wisdom upon me.

From "Anthem of a Reluctant Prophet" by Joanne Proulx

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