undermine

Definition of underminenext

Synonym Chooser

How is the word undermine distinct from other similar verbs?

Some common synonyms of undermine are cripple, debilitate, disable, enfeeble, sap, and weaken. While all these words mean "to lose or cause to lose strength or vigor," 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

When is cripple a more appropriate choice than undermine?

The meanings of cripple and undermine largely overlap; however, cripple implies causing a serious loss of functioning power through damaging or removing an essential part or element.

crippled by arthritis

When can debilitate be used instead of undermine?

While the synonyms debilitate and undermine are close in meaning, 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 undermine?

The words disable and undermine can be used in similar contexts, but disable suggests bringing about impairment or limitation in a physical or mental ability.

disabled by an injury sustained at work

When is it sensible to use enfeeble instead of undermine?

Although the words enfeeble and undermine have much in common, enfeeble implies a condition of marked weakness and helplessness.

enfeebled by starvation

When might weaken be a better fit than undermine?

The words weaken and undermine are synonyms, but do differ in nuance. Specifically, 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

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 undermine Plenty of blame rests on scripts that refuse to define Robert in order to preserve his mysterious backstory, as well as direction that undermines the terror supposedly permeating Los Angeles. Ben Travers, IndieWire, 5 Aug. 2026 Evidence supporting or undermining the central allegations could emerge through discovery. Zachary Bynum, CBS News, 5 Aug. 2026 In a post on X, Kono, former defense minister under the Abe administration, warned that the plan could undermine confidence in Japan's fiscal position, push interest rates higher and weaken the yen. Lim Hui Jie, CNBC, 4 Aug. 2026 Like McNutt, Dennis should soon join Ryan Clark on the growing list of former ESPN personalities who undermined the network with their racial idolatry. Bobby Burack Outkick, FOXNews.com, 4 Aug. 2026 See All Example Sentences for undermine
Recent Examples of Synonyms for undermine
Verb
  • However, consuming large amounts—such as those used in studies where up to 1/2 cup was consumed daily—can start to weaken and damage tooth enamel.
    MD Published, Verywell Health, 10 Aug. 2026
  • Apple’s market dominance is built around September; moving away from tradition would upset the ecosystem supporting the launch and risk weakening the iPhone’s dominant position.
    Ewan Spence, Forbes.com, 10 Aug. 2026
Verb
  • According to state police, the driver, identified as 21-year-old Isaak Berkun of Guilford, appeared to be impaired and allegedly failed multiple field sobriety tests.
    Justin Muszynski, Hartford Courant, 7 Aug. 2026
  • Both animal and human studies suggest psychedelics could change brain function and increase cognitive flexibility, as well as emotional connectedness—features that tend to be impaired in people with eating disorders.
    Alexandra Pattillo, Scientific American, 5 Aug. 2026
Verb
  • Meanwhile, the soil surrounding the house is eroding and the structure is sinking.
    William Earl, Variety, 8 Aug. 2026
  • Over the past eighty years, parts have eroded down the slope.
    Alexandra Skores, CNN Money, 8 Aug. 2026
Verb
  • But trying to get tanner through more UV light exposure can bring lot of dark, dark risks—such as damaging your skin and in the process raising your risk of skin cancer.
    Bruce Y. Lee, Forbes.com, 8 Aug. 2026
  • Both human and animal studies found the chemicals damage the ability of mitochondria to make adenosine triphosphate, or ATP.
    Sandee LaMotte, CNN Money, 7 Aug. 2026
Verb
  • For the global economy, Russia’s war compromised the global supply chain for fuel and food, exacerbating post-pandemic inflation pressures.
    Lidia Pilecky, Chicago Tribune, 7 Aug. 2026
  • The district attorney's office declined to prosecute the nearly two dozen remaining cases, with county officials later saying nonprofessionals (Hansen and NBC) compromised the investigation's integrity.
    Julie Hinds, USA Today, 7 Aug. 2026

Browse Nearby Words

Cite this Entry

“Undermine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undermine. Accessed 11 Aug. 2026.

More from Merriam-Webster on undermine

Love words? Need even more definitions?

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