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 Solomon warned that the AI infrastructure boom could face a painful reset if higher borrowing costs or overbuilding undermine the economics of some data center projects. — Hugh Son,laya Neelakandan,leslie Picker,ritika Shah, CNBC, 13 Oct. 2026 The omission or downplaying of these facts contributes to public misinformation and undermines the defense of democracy. — Rafa Sales Ross, Variety, 10 Oct. 2026 The Navy desperately needs more subs, and Baltimore stands to gain thousands of jobs, but making the primary customer a 40 percent owner of a new facility risks undermining market discipline. — Editorial Board, Washington Post, 10 Oct. 2026 How every single piece of every part of this is being undermined. — Marcus Jones, IndieWire, 9 Oct. 2026 See All Example Sentences for undermine
Recent Examples of Synonyms for undermine
Verb
  • Once Isaias comes ashore, it is expected to weaken until it is downgraded to a tropical storm by Saturday afternoon, the hurricane center said.
    — Arkansas Online, Arkansas Online, 10 Oct. 2026
  • Last but certainly not least, there’s the focus on communicating local relevancy as a differentiator without weakening brand equity and DNA.
    — Jennifer Weil, Footwear News, 9 Oct. 2026
Verb
  • If refineries are forced to curtail throughput or shut down entirely due to high winds and power outages, production of refined products such as diesel and gasoline will be directly impaired.
    — , CNBC, 9 Oct. 2026
  • One study found that even having a phone turned off on a table nearby may be enough to impair a student’s academic performance.
    — James Marriott, Washington Post, 7 Oct. 2026
Verb
  • Infrastructure built over generations erodes when demand isn’t there to support it.
    — Catherine Salfino, Footwear News, 9 Oct. 2026
  • Today, Putin follows essentially the same model, seeking to erode allies’ confidence in NATO’s Article 5 by relying on tactics that fall below the threshold of a conventional warfare and leave unaffected members hesitant to respond.
    — Julianne Smith, Foreign Affairs, 7 Oct. 2026
Verb
  • Miles said one of his friends made the decision to drop his early decision application to Cornell, not because of the incident itself, but for fear the school’s reputation would be damaged.
    — Leah Asmelash, CNN Money, 15 Oct. 2026
  • Insurance payouts for mortgaged homes damaged or destroyed by fires are typically not sent directly to homeowners but instead are held by lenders or servicers, who then disburse the funds in tranches as a home is rebuilt or repaired.
    — Los Angeles Times, Los Angeles Times, 15 Oct. 2026
Verb
  • The bureau is operating as if every FBI employee’s personal information was compromised, the sources said.
    — ABC News, ABC News, 9 Oct. 2026
  • Researchers at the University of California San Diego and Toyota Research Institute of North America have developed a fluorine-free binder that could make lithium-ion batteries easier to manufacture and recycle without compromising performance.
    — Neetika Walter, Interesting Engineering, 9 Oct. 2026

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Cite this Entry

“Undermine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undermine. Accessed 17 Oct. 2026.

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