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 Such cases are complex and often take years to build, meaning illicit goods often continue flowing into the US market at below fair-market prices, undermining US commerce. Laura Curtis, Fortune, 13 Aug. 2026 Stable policies are essential, since sudden changes in taxes or regulations can undermine investor confidence. ABC News, 12 Aug. 2026 The fact that the United States, in its recent conflict with Iran, directly destabilized international energy markets undermines the country’s claim to be a fair arbiter of the global commons. Emma Ashford, Foreign Affairs, 12 Aug. 2026 The embargo is the sharpest edge of a campaign (that also includes sweeping sanctions) to starve Tehran of oil revenue and undermine its economy, with the cost borne largely by ordinary Iranians. semafor.com, 12 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
  • He was charged with driving while impaired by drugs, a misdemeanor, and has pleaded not guilty.
    Carolyn Gusoff, CBS News, 13 Aug. 2026
  • But the heat doesn’t just exacerbate existing illnesses; new research suggests that high temperatures impair the immune system and can break down the epithelial barriers in the lungs, skin, and gut.
    Lorraine Boissoneault, STAT, 12 Aug. 2026
Verb
  • Hence the switch, a year or so after the film’s release, to a stadium now named after the latest in a long line of sponsors that, for all the vital money brought in, have slightly eroded identity.
    Richard Sutcliffe, New York Times, 13 Aug. 2026
  • If Chinese production pushes hardware prices into a freefall, the collateral backing hundreds of billions in private loans could erode far faster than the terms of the debt itself, leaving investors exposed to losses, according to Emons.
    Lim Hui Jie, CNBC, 12 Aug. 2026
Verb
  • Hundreds of buildings — hotels, apartment blocks, mixed-use structures — collapsed or were damaged beyond repair.
    Mery Mogollón, Los Angeles Times, 14 Aug. 2026
  • If Chinese inventories become one of the last lines of defense against damaging global price spikes, Beijing may come to occupy a comparable position.
    Jason Bordoff, Foreign Affairs, 14 Aug. 2026
Verb
  • Escalating threats in the Red Sea could compromise the Saudi pipeline that has been essential in mitigating the Hormuz crisis.
    Jason Bordoff, Foreign Affairs, 14 Aug. 2026
  • These thermal gradients generate stresses that may crack or spall – chip or flake off – the outer surface, but the heat often does not penetrate deeply enough to compromise the structural core.
    Giorgia Giardina, The Conversation, 13 Aug. 2026

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Cite this Entry

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

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