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Definitions

undermine

[uhn-der-mahyn, uhn-der-mahyn] / ˌʌn dərˈmaɪn, ˈʌn dərˌmaɪn /


Example Sentences

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Throughout his tenure in the Senate, according to the Senate Historical Office, Revels continued “speaking out against racial segregation, and fighting efforts to undermine the civil and political rights of African Americans.”

From Slate ● Nov. 12, 2026

Opponents of the ban argue that it would undermine local economies and reduce the amount of money that could be spent on conservation projects.

From BBC ● Nov. 12, 2026

Expansion could also undermine the quality of care received by beneficiaries, he said.

From MarketWatch ● Nov. 11, 2026

These include "barriers that undermine American trade and investment and practices that pose a threat to US national security and foreign policy interests", a US statement said.

From Barron's ● Nov. 3, 2026

Walter, Govan, and I believed an appeal would undermine the moral stance we had taken.

From "Long Walk to Freedom" by Nelson Mandela

"It shouldn't be possible for inaccurate statements to be made to a jury to suggest that because a rape victim didn't behave in one way that somehow undermines their case," Sir Mark explained.

From BBC ● Nov. 7, 2026

The resulting increase in thickness and weight undermines the main advantage of anode-free battery technology.

From Science Daily ● Oct. 28, 2026

Everyone turns to go-to people because it is expedient, and that bent for speed undermines the total business capability.

From The Wall Street Journal ● Oct. 27, 2026

It warned against "acts that tend to depreciate or impair the national currency, including any conduct that undermines its lawful value or use".

From BBC ● Oct. 6, 2026

Successful experimentation builds confidence in the experimental method; failure undermines it.

From "The Invention of Science" by David Wootton

The accidents have undermined trust in the world's second-largest high-speed rail network and overshadowed campaigning for a November 29 general election in which Socialist Prime Minister Pedro Sanchez is trailing in opinion polls.

From Barron's ● Nov. 3, 2026

As for Jackson, it’s the latest setback in a career in which stretches of brilliance have been undermined by repeated injuries and absences.

From The Wall Street Journal ● Nov. 2, 2026

An era of "throwaway" fast fashion from the 1980s onwards undermined the tradition of looking after and mending your clothes and people lost the skills, she says.

From BBC ● Oct. 30, 2026

“His conduct undermined both legal and artistic rights.”

From Los Angeles Times ● Oct. 23, 2026

Attempts to reassure people that things were under control were undermined by footage of units 1 and 3 belching smoke.

From "Meltdown" by Deirdre Langeland

Could the enormous AI infrastructure build-out be changing demand for metals used in electronics and technology, and perhaps undermining the usefulness of this old market signal?

From MarketWatch ● Oct. 28, 2026

Franco-Algerian writer Boualem Sansal was sentenced to five years in prison for undermining national security before receiving a pardon from President Abdelmadjid Tebboune following mediation by Germany's president in 2025.

From BBC ● Oct. 27, 2026

In the book, he writes about getting ousted as chief executive and accuses Iger of undermining him.

From The Wall Street Journal ● Oct. 20, 2026

The concerns come at a time when Ukrainian air defence systems are running low and winter approaches, bringing with it intensified Russian strikes on energy infrastructure aimed at undermining public morale.

From Barron's ● Oct. 14, 2026

Like Tycho before him, he saw the supernova as undermining the Aristotelian notion of literally fixed and eternal stars.

From "The Scientists" by John Gribbin


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