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Synonym Chooser

How is the word weaken distinct from other similar verbs?

Some common synonyms of weaken are cripple, debilitate, disable, enfeeble, sap, and undermine. While all these words mean "to lose or cause to lose strength or vigor," weaken may imply loss of physical strength, health, soundness, or stability or of quality, intensity, or effective power.

a disease that weakens the body's defenses

When would cripple be a good substitute for weaken?

While in some cases nearly identical to weaken, cripple implies causing a serious loss of functioning power through damaging or removing an essential part or element.

crippled by arthritis

Where would debilitate be a reasonable alternative to weaken?

The words debilitate and weaken can be used in similar contexts, but debilitate suggests a less marked or more temporary impairment of strength or vitality.

the debilitating effects of surgery

When could disable be used to replace weaken?

While the synonyms disable and weaken are close in meaning, disable suggests bringing about impairment or limitation in a physical or mental ability.

disabled by an injury sustained at work

When might enfeeble be a better fit than weaken?

The synonyms enfeeble and weaken are sometimes interchangeable, but enfeeble implies a condition of marked weakness and helplessness.

enfeebled by starvation

How are the words undermine and sap related as synonyms of weaken?

Both undermine and sap suggest a weakening by something working surreptitiously and insidiously.

a poor diet undermines your health
drugs had sapped his ability to think

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of weaken Avoid static stretching before intensive training, as this can temporarily weaken the muscles. Claudia Herwig, Glamour, 20 May 2025 Others may develop it after pregnancy, as the muscles and ligaments around the uterus can loosen or weaken. Brandi Jones, Health, 10 May 2025 This weakens their ability to tailor experiences and erodes marketing efficiency. Amit Jhawar, Forbes.com, 9 May 2025 Segregation weakens society, even one as strong as the United States. Faisal Kutty, MSNBC Newsweek, 8 May 2025 See All Example Sentences for weaken
Recent Examples of Synonyms for weaken
Verb
  • The alcohol-free formula is supremely gentle, made with sunflower seed oil to reinforce and soften the skin's barrier with every application, while the scent is strong enough to be refreshing but faint enough not to interfere with your perfume.
    Sophia Panych, Allure, 15 May 2025
  • To soften the booziness, serve your drink over ice.
    Sarah Martens, Better Homes & Gardens, 15 May 2025
Verb
  • Advisors who can build trust and act as a central coordinator for these services are invaluable—and often become long-term partners even after the spotlight fades.
    Jason Katz, Forbes.com, 18 May 2025
  • As threats from insurgents faded, crackdowns by an authoritarian government surged.
    Mitra Taj, New York Times, 17 May 2025
Verb
  • This urine can simply be scattered around the ground, diluted into a fertilizer or disposed of in a toilet back home, depending on the situation.
    New Atlas, New Atlas, 15 May 2025
  • Pureeing the fresh strawberries gives the lemonade body, but also ensures the strawberry flavor isn’t diluted.
    Alana Al-Hatlani, Southern Living, 15 May 2025
Verb
  • According to the Associated Press, no one was injured during the incident, citing court documents.
    Becca Longmire, People.com, 14 May 2025
  • Two people were injured and a dozen apartments left uninhabitable following an early morning fire Wednesday at a three-story apartment building, the second residential fire in Elgin in less than a week.
    Courier-News, Chicago Tribune, 14 May 2025
Verb
  • While Donald Trump’s return sparked surges early in the year, including brief all-time highs across major tokens, prices have largely sagged.
    Catherine Baab, Quartz, 9 May 2025
  • Even when his overall approval ratings sagged, voters consistently gave him his highest marks on the economy.
    Martha McHardy, MSNBC Newsweek, 1 May 2025
Verb
  • Pegasus is able to remotely infect user’s devices without their knowledge.
    Grace Gilson, Sun Sentinel, 12 May 2025
  • By this time, anti-woke sentiment had infected the mainstream and interest in showy egalitarianism and visible diversity was noticeably lower.
    Rachel Corbett, Vulture, 8 May 2025
Verb
  • Gout is an inflammatory disorder in which the accumulation of uric acid crystals around a joint causes acute and often debilitating pain, mainly in the big toe.
    Catherine Moyer, Verywell Health, 22 May 2025
  • She was discharged the same day, and experienced debilitating fatigue that persisted acutely for months, forcing her to cancel a tour.
    Spencer Kornhaber, The Atlantic, 22 May 2025
Verb
  • The final lot, a tempera painting by Jacob Lawrence from 1958, failed to sell, providing a rather awkward round of applause to close the evening.
    Robb Report, Robb Report, 18 May 2025
  • Of course, those numbers will be all but washed away if the Thunder fail to reach the Western Conference finals.
    Steven Louis Goldstein, New York Times, 18 May 2025

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Cite this Entry

“Weaken.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/weaken. Accessed 25 May. 2025.

More from Merriam-Webster on weaken

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