1
2
3

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 An influx of political appointees would weaken those safeguards, potentially leaving Democratic donors in the cross hairs. Steven Levitsky, Foreign Affairs, 11 Feb. 2025 The burger giant saw customer visits weaken following an E.coli outbreak that started on October 22 and forced McDonald's to temporarily suspend sales of its Quarter Pounder hamburgers in a fifth of its 14,000 U.S. restaurants. Savyata Mishra, USA TODAY, 11 Feb. 2025 Microbes, including bacteria, can weaken a person's immunity and contribute to the onset of a cold.1 An itchy, sore throat may accompany a cough and cold. Lauren O'Connor, Ms, Health, 10 Feb. 2025 The trust that underpinned Maryland’s politics is fraying, weakened by the bad-faith accusations of our current governor against our former governor. Colin Pascal, Baltimore Sun, 9 Feb. 2025 See All Example Sentences for weaken
Recent Examples of Synonyms for weaken
Verb
  • That helps to soften some of the graphic imagery, but the director says his primary intent was to allow viewers to experience the perspectives of kids.
    Matthew Carey, Deadline, 21 Feb. 2025
  • Following weeks of negotiations, during which DeSantis seemed to soften his attacks on the lawmakers who opposed his plans, the governor signed the sweeping package of immigration laws on February 13.
    Dan Perry, Newsweek, 20 Feb. 2025
Verb
  • The resin material looks like solid wood but won’t fade in the sun or require repainting.
    Clint Davis, People.com, 23 Feb. 2025
  • The piece is made from durable cast iron and coated in an enamel glaze to help extend its longevity and prevent it from chipping, scratching, or fading with use.
    Alicia Geigel, Southern Living, 21 Feb. 2025
Verb
  • Powell recommends adding two to three tablespoons of shampoo to an empty bottle that has a nozzle and diluting it with water.
    Annie Blay, Allure, 13 Feb. 2025
  • Rinse your mouth with tap water after drinking, and reduce the amount of lemon in your drink or dilute it with water. — MELISSA NIEVES, LND, RD, MEDICAL EXPERT BOARD Summary Lemons are full of beneficial nutrients, especially vitamin C.
    Melissa Nieves, Verywell Health, 12 Feb. 2025
Verb
  • None of the 60 employees inside SPS Technologies, which manufactures fasteners mainly for the aerospace industry, was injured after explosions set off the fire.
    Saleen Martin, USA TODAY, 20 Feb. 2025
  • No one was injured during the robbery, and detectives are investigating.
    Deanese Williams-Harris, Chicago Tribune, 19 Feb. 2025
Verb
  • Golden State dared Houston to shoot jumpers, mixing in zones and sagging off their shooters to negate the young Rockets’ elite athletes.
    Danny Emerman, The Mercury News, 14 Feb. 2025
  • When hotel staff noticed that fronds on the trees were starting to sag, an arborist was brought in to diagnose the problem.
    Noah Lyons, San Diego Union-Tribune, 7 Feb. 2025
Verb
  • For one thing, the current versions of the H5N1 virus that are infecting animals don’t seem very good at infecting humans.
    Brenda Goodman, CNN, 18 Feb. 2025
  • In July 2021, the pope underwent a three-hour surgery to remove part of his colon, in response to diverticulitis, a condition that can infect or inflame the colon.
    Juliana Kim, NPR, 17 Feb. 2025
Verb
  • Chloe Broad, 24, was struggling with debilitating exhaustion last year.
    Cara Lynn Shultz, People.com, 14 Feb. 2025
  • In addition to facing unbearable losses, both had also unknowingly inhaled toxic debris that would spark a series of debilitating illnesses.
    Mary Cunningham, CBS News, 14 Feb. 2025
Verb
  • The Oilers failed to shut down Michkov, though, who had his second career 3-point effort and could be rejuvenated for the stretch run.
    Kevin Kurz, The Athletic, 23 Feb. 2025
  • According to the January 29 data, cases of illness were reported in California, Illinois, Massachusetts,, North Carolina, New Jersey, New York, and Pennsylvania, In a break from its usual conduct, the CDC has failed to update its tracking webpages to include either outbreak.
    Mary Walrath-Holdridge, USA TODAY, 23 Feb. 2025

Browse Nearby Entries

Cite this Entry

“Weaken.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/weaken. Accessed 1 Mar. 2025.

More from Merriam-Webster on weaken

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!