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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 Their oversight role has been considerably weakened, but SB 1264 would do away with them altogether. Orlando Sentinel Editorial Board, The Orlando Sentinel, 24 Apr. 2025 But his support on those twin policy pillars are showing signs of weakening in a series of new polls pegged to his first 100 days back in power. Philip Elliott, Time, 24 Apr. 2025 China could also dump U.S. Treasuries for a few days, panicking the bond market and weakening the dollar. Nicholas D. Kristof, Mercury News, 24 Apr. 2025 The regime in Beijing therefore has considerable control over key nodes in the fentanyl chain: raw materials, production, sales and money laundering. U.S. leaders, Democrats and Republicans alike, have accused China of using fentanyl to weaken the United States. Sebastian Rotella, ProPublica, 23 Apr. 2025 See All Example Sentences for weaken
Recent Examples of Synonyms for weaken
Verb
  • Grapes are chilled after picking for 24 hours to soften grape skins before whole cluster fermentation.
    Tom Mullen, Forbes.com, 21 Apr. 2025
  • In a December call, the Pope lobbied Biden to soften death-row sentences for convicts.
    Philip Elliott, Time, 21 Apr. 2025
Verb
  • First, there was a drip-drip-drip of crisis: as costs everywhere rose, city, state, and federal monies faded away once COVID-era bailout efforts came to an end.
    Helen Shaw, New Yorker, 24 Apr. 2025
  • The blotchy black pattern was very obvious in small snakes but faded and less visible in larger ones, the study said.
    Aspen Pflughoeft, Miami Herald, 23 Apr. 2025
Verb
  • The plain and active meaning of the word cannot be diluted by its constriction, as the government would have it, to a narrow term of art.
    TIME Staff, Time, 18 Apr. 2025
  • This approach dilutes your unique value proposition and distracts from your primary purpose.
    Expert Panel®, Forbes.com, 16 Apr. 2025
Verb
  • Memorial at Florida State University after a fatal shooting killed two people and injured several others.
    Kati Weis, CBS News, 20 Apr. 2025
  • The spill killed 11 people and injured 17 others as 210 million gallons of crude oil were released into the Gulf of Mexico (recently renamed by the U.S. government as Gulf of America) for a total of 87 days.
    Terry Collins, USA Today, 20 Apr. 2025
Verb
  • Here, a patchy pattern of material with that same high seismic velocity sagged to a depth of nearly 600 kilometers, almost to the lower mantle.
    Meghan Bartels, Scientific American, 17 Apr. 2025
  • The production sagged to .214/.239/.312 the next year, leading the Guardians to waive him after the season.
    Jeff Sanders, San Diego Union-Tribune, 17 Apr. 2025
Verb
  • External fixation had stabilized the fracture, but the bone had become uncontrollably infected.
    Clayton Dalton, New Yorker, 18 Apr. 2025
  • The farm voluntarily recalled the onions after the outbreak infected more than 100 people, killing one person.
    Michael Dorgan, FOXNews.com, 18 Apr. 2025
Verb
  • With the many debilitating symptoms of long COVID, diet often takes a backseat to medication or supplements.
    Mark Weinstein, MSNBC Newsweek, 27 Apr. 2025
  • Santana, who is known musically just by his last name along with fellow bandmembers, did not appear before crowds at the Majestic Theatre in San Antonio, Texas, after suffering a debilitating bout of dehydration.
    Anna Kaufman, USA Today, 24 Apr. 2025
Verb
  • Dix’s conclusion is easily seen in the lives of famous entrepreneurs who failed at various times in their lives.
    Daniel Fusch, USA Today, 25 Apr. 2025
  • Because practices that work in one context may fail in another.
    HEC Paris Insights, Forbes.com, 24 Apr. 2025

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Cite this Entry

“Weaken.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/weaken. Accessed 2 May. 2025.

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