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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 Even as both parties agree China is one of our greatest challenges, its policies have weakened America’s position and strengthened China’s hand. Morgan Chalfant, semafor.com, 26 Sep. 2025 Jürgen Schaaf, market infrastructure and payments adviser at the ECB, warned in July that the central bank's control over monetary conditions in the region could be weakened by dollar stablecoins' dominance, and called for greater support for regulated euro stablecoins. Hugh Leask, CNBC, 25 Sep. 2025 Despite his popularity as a wartime leader, Zelensky faced the first major protests of the conflict in July after his allies in Parliament tried to weaken the country’s independent anti-corruption agencies, before the move was reversed. Brendan Cole, MSNBC Newsweek, 25 Sep. 2025 Experts warn that undoing it could weaken national climate policy, with ripple effects felt in California. Chaewon Chung updated September 25, Sacbee.com, 25 Sep. 2025 See All Example Sentences for weaken
Recent Examples of Synonyms for weaken
Verb
  • This powerhouse Korean skin care product features a blend of hyaluronic acid, shea butter and collagen to plump and soften the skin.
    Alanna Martine Kilkeary, Glamour, 26 Sep. 2025
  • Meanwhile, remove ice cream from freezer, and let stand at room temperature until slightly softened, about 15 minutes.
    Alana Al-Hatlani, Southern Living, 25 Sep. 2025
Verb
  • The present is always coming at us so hard and fast that the unexamined past fades more from consciousness in the echo chamber of the now.
    Kansas City Star, Kansas City Star, 27 Sep. 2025
  • Nobody buys an Alfa Romeo to fade into the crowd.
    Mark Phelan, USA Today, 27 Sep. 2025
Verb
  • However, the latter half of the season feels meandering, with overstuffed episodes diluting the impact of the plot.
    Aramide Tinubu, Variety, 25 Sep. 2025
  • Chaos is sorted into appreciable story arcs without diluting its overwhelming effect on our heroes.
    Ben Travers, IndieWire, 24 Sep. 2025
Verb
  • Authorities seized devices found on his body and writings left in his bedroom in the probe of the shooting that killed one detainee and critically injured two others, FBI Dallas Special Agent in Charge Joe Rothrock said on Thursday at a press conference.
    Emerson Clarridge, Fort Worth Star-Telegram, 25 Sep. 2025
  • The shooter was found dead at the scene, and no ICE agents or other law enforcement personnel were injured.
    Amanda Musa, CNN Money, 25 Sep. 2025
Verb
  • The counterculture had curdled, Vietnam was over but unsettled, and the economy sagged into stagflation.
    Eric Cortellessa, Time, 25 Sep. 2025
  • The Democratic Party’s brand — as well as the approval rating for some of the state’s top Democratic officials — has indeed sagged, even in solidly blue Colorado, according to a recent poll.
    Seth Klamann, Denver Post, 22 Sep. 2025
Verb
  • Its severity varies depending on the strain and species that is infected.
    Kelli Arseneau, jsonline.com, 26 Sep. 2025
  • The Indianapolis Animal Care Services did say dogs are still available for adoption and some cats that were kept separate from those infected remain available to adopt.
    Noe Padilla, IndyStar, 25 Sep. 2025
Verb
  • Over time, this can lead to painful and debilitating ulcers, typically occurring on the inner side of the leg above the ankle.
    Bryant Stamford, Louisville Courier Journal, 2 Oct. 2025
  • The star, 52, made his first appearance since missing the Emmys earlier this month and vowed not to give up the fight against the debilitating disease.
    Mekishana Pierre, Entertainment Weekly, 30 Sep. 2025
Verb
  • The 2-point conversion attempt failed, but the Packers cut the gap to 21-6.
    Frank Rajkowski, Twin Cities, 27 Sep. 2025
  • Lawsuits also allege Liberty Utilities and construction companies failed to mark gas lines properly and respond to the leak in time, resulting in the boys death, severe injuries and property damage.
    Kendrick Calfee, Kansas City Star, 27 Sep. 2025

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Cite this Entry

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

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