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 Robinson’s lawyers have attempted to undermine several of the exhibits offered by the prosecution, including questioning the accuracy of DNA and its ability to link suspects to crime weapons, which could be a key part of their argument in the trial. Jack Birle, The Washington Examiner, 2 Sep. 2026 People close to Newsom privately speculated that the culprit might be a foreign power looking to undermine the California governor’s seemingly inevitable 2028 presidential campaign. Max Tani, semafor.com, 2 Sep. 2026 Kading says Davis is the one who ultimately undermined the protections of the agreement by speaking publicly about the killing himself. Nancy Dillon, Rolling Stone, 2 Sep. 2026 Any decrease in ratings this season would undermine the luster of NFL games at a time when the league is already holding preliminary discussions with Paramount about the possibility of renewing the company’s current rights deal. Brian Steinberg, Variety, 2 Sep. 2026 See All Example Sentences for undermine
Recent Examples of Synonyms for undermine
Verb
  • Dairy cows are producing less milk and birthing fewer or weakened calves.
    Vivian Song, CNN Money, 6 Sep. 2026
  • Though Hurricane Marie continues to weaken in the southern Pacific Ocean — and is expected to remain hundreds of miles off the Southern California coastline — the region can still expect to feel some effects from the storm over the next few days.
    Grace Toohey, Los Angeles Times, 6 Sep. 2026
Verb
  • The Folsom Police Department will hold a sobriety checkpoint Friday night to identify drivers suspected of being impaired by alcohol or drugs.
    Haley Parsley, Sacbee.com, 2 Sep. 2026
  • Riggs said the Teamsters’ safety argument is weakened by the inconsistent safety record of human truck drivers, who have fallen asleep at the wheel or driven while distracted or otherwise impaired.
    Los Angeles Times, Los Angeles Times, 29 Aug. 2026
Verb
  • And when heavy rain hits, the larger root structures can absorb excess water that would otherwise run off and erode the soil.
    ABC News, ABC News, 4 Sep. 2026
  • What’s eroding is their ability to tell which ones deserve their trust.
    Nirav Tolia, Fortune, 3 Sep. 2026
Verb
  • The missile killed four sailors and damaged the ship’s equipment, but the crew contained the damage and the Hanit limped home.
    HOLMES LIAO, Foreign Affairs, 4 Sep. 2026
  • Desalination plants in the Gulf have been targeted and damaged during the US-Iran war, raising significant alarm in a region that depends overwhelmingly on this technology.
    Laura Paddison, CNN Money, 4 Sep. 2026
Verb
  • Researchers also need to determine whether damage can recover without compromising superconducting performance.
    Aamir Khollam, Interesting Engineering, 5 Sep. 2026
  • The victims were told their bank account, Social Security number or other personal information had been compromised.
    Harriet Ramos, Fort Worth Star-Telegram, 4 Sep. 2026

Browse Nearby Words

Cite this Entry

“Undermine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undermine. Accessed 7 Sep. 2026.

Love words? Need even more definitions?

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

More from Merriam-Webster