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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
  • Its rich, tinted formula softens without compromising pigment making Eadem’s Lip Softening Balm a no-fuss makeup staple that will leave you looking primped on the go and after a long day.
    Valerie Butler, Essence, 28 May 2025
  • Within days, Wall Street firms softened their forecasts of a recession.
    Max Zahn, ABC News, 27 May 2025
Verb
  • However, the glamour faded soon after the team docked in Manhattan.
    Andy Mitten, New York Times, 30 May 2025
  • That faded, and Maresca’s task will be maintaining the charge next season.
    Zak Garner-Purkis, Forbes.com, 29 May 2025
Verb
  • Han and Li’s student-teacher relationship in particular is diluted and lacks necessary grounding, and there’s little compelling friction between the two masters to make up for it.
    Wilson Chapman, IndieWire, 28 May 2025
  • Follow label directions to dilute the concentrate before spraying.
    Brandee Gruener, Southern Living, 28 May 2025
Verb
  • The woman also was seriously injured in the crash and was taken to a hospital by ambulance.
    Shambhavi Rimal, Fort Worth Star-Telegram, 26 May 2025
  • At least 12 people were killed and dozens injured in the attacks.
    Jackie Northam, NPR, 26 May 2025
Verb
  • The data also showed EV sales holding up well against a sagging overall auto market in Europe.
    Kevin Williams, Quartz, 22 May 2025
  • Firm mattress toppers can turn an old, sagging mattress into something that feels brand new and radically more supportive.
    Nora Colomer may earn a commission if you buy through our referral links. This content was created by a team that works independently from the Fox newsroom., FOXNews.com, 19 May 2025
Verb
  • The United States Food and Drug Administration (FDA) announced on May 22 that certain frozen, raw and half-shell oysters from South Korea could be infected with norovirus.
    Fernando Cervantes Jr, USA Today, 24 May 2025
  • Measles is highly contagious and can spread from one person to nine out of 10 people close to them, according to the CDC, which notes a person infected with measles can spread it to others four days before through four days after the rash appears.
    Antonio Pequeño IV, Forbes.com, 24 May 2025
Verb
  • 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
  • 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
Verb
  • Real efforts at improving access — which many schools have adopted in recent years without enough attention earned — and promoting freer campus climates — which too many schools have failed at — will have to be done simultaneously.
    Jeffrey Herbst, New York Daily News, 30 May 2025
  • As well as failing to clinch the league title, Inter lost to bitter rival AC Milan in January’s Italian Super Cup and again to Milan in April’s Italian Cup semifinals.
    George Ramsay, CNN Money, 30 May 2025

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Cite this Entry

“Weaken.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/weaken. Accessed 4 Jun. 2025.

More from Merriam-Webster on weaken

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