Definition of weakennext
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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 Without that foundation, trust erodes, institutions weaken, and instability spreads. Richard Torrenzano, Fortune, 26 May 2026 The divergence between the stock market and weakening consumer sentiment is especially worrisome given that the two measures usually move more in sync. Sarah Min, CNBC, 15 May 2026 In addition to these external influences, Dini emphasized that long-term domestic instability has left Somalia’s coastline vulnerable, weakening local institutions and lowering the risks for pirate networks. Nimi Princewill, CNN Money, 15 May 2026 Spreading such rumor to do defame China, destroy Xinjiang's safety and stability, weaken local economy, suppress China's development. Vanessa Romo, NPR, 14 May 2026 See All Example Sentences for weaken
Recent Examples of Synonyms for weaken
Verb
  • Much of that comes down to the staff, whose warmth and genuine friendliness soften the immaculate service, making the hotel feel truly welcoming.
    Condé Nast, Condé Nast Traveler, 27 May 2026
  • Raman has also softened on no-camping zones in the city.
    Los Angeles Times, Los Angeles Times, 26 May 2026
Verb
  • While desirable homes still sell quickly, frenzied bidding wars have faded.
    Sara B. Hansen, Denver Post, 29 May 2026
  • Deadheading Is Another Form Of Pinching Back Deadheading is similar to pinching back, but it is done once the flowers begin to fade.
    Mary Marlowe Leverette, Southern Living, 28 May 2026
Verb
  • There is an effort to dilute the high-pH water in ditches that was contaminated with the large amount of chemicals that spilled, officials said.
    Phil Helsel, NBC news, 29 May 2026
  • That case argued that Louisiana lawmakers illegally diluted Black voting power by failing to draw a second majority-Black district in a state where Black voters account for roughly one third of the population.
    Sam Gringlas, NPR, 29 May 2026
Verb
  • Star center Nathan MacKinnon was able to play in this game despite getting injured in Game 3.
    Corey Masisak, Denver Post, 27 May 2026
  • De Zerbi made fringe and injured members of the squad feel included.
    Jay Harris, New York Times, 27 May 2026
Verb
  • Trump’s sagging approval rating comes as Democrats have a chance at outperforming Republicans in midterms, with Emerson’s May poll showing Democrats with a 9-point advantage on the generic congressional ballot, though 9% of voters were undecided.
    Sara Dorn, Forbes.com, 28 May 2026
  • Stock performance by Salesforce on Thursday, which sagged despite an impressive beat on profits and revenues, is emblematic of the troubles facing software.
    Tobias Burns, CNBC, 28 May 2026
Verb
  • The only way to help those infected is to provide supportive care, health officials say, like giving medicine to support blood pressure, reduce vomiting and diarrhea, and manage fever and pain.
    Mary Whitfill Roeloffs, Forbes.com, 28 May 2026
  • Early signs can mimic a severe flu, including fevers, chills, a productive cough, and chest or back pain in cases where the lung is infected.
    Khloe Quill, FOXNews.com, 27 May 2026
Verb
  • Vertigo is common, can be debilitating and often recurs in people who have it.
    Lindsey Bever, Washington Post, 27 May 2026
  • Faye probably calculated that the move, announced late on Friday, could bury his own political career but was worth the risk to break an impasse that has prevented the country plotting a path out of its debilitating debt crisis.
    Alexis Akwagyiram, semafor.com, 25 May 2026
Verb
  • However, the anticipated state finals clash was not to be as Calabasas dropped the baton in the Southern Section finals and failed to advance.
    Steve Galluzzo, Los Angeles Times, 30 May 2026
  • It has been cited seven times by the AQMD since 2012 for such things as failing to report breakdowns and failing to maintain a system that measures and records temperatures.
    Jason Henry, Oc Register, 30 May 2026

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Cite this Entry

“Weaken.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/weaken. Accessed 30 May. 2026.

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