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Definitions

undermine

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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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The researchers argue that permanently moving clocks forward could undermine some of those gains by making morning sunlight less accessible.

From Science Daily ● Nov. 4, 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

Aid organisation Oxfam warned that losing its monitoring and de-escalation role could undermine stability, with serious consequences for civilians.

From BBC ● Nov. 3, 2026

The continuing limits on Ukrainian drone operations are threatening to undermine Kyiv’s campaign of medium-range drone strikes against Russian army logistics behind the front lines in eastern and southern Ukraine.

From The Wall Street Journal ● Oct. 23, 2026

To undermine their effort, one of the district commissioners ordered the warden to install two gas stoves near the women’s cells and to hire six women to cook ham and bacon twenty-four hours a day.

From "Votes for Women!" by Winifred Conkling

The lack of data, she said, gives an incomplete picture of how safe the city is — and also undermines the public’s already shaky trust in police.

From Los Angeles Times ● Oct. 31, 2026

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

From Science Daily ● Oct. 28, 2026

"We submit lack of coherent account is an important factor which supports what we are saying and undermines the credibility of the witness as a whole," Piercy said.

From BBC ● Oct. 19, 2026

It could be used if a trading partner deliberately undermines fair-market conditions and distorts the bloc’s market, the letter said.

From The Wall Street Journal ● Oct. 5, 2026

But if the defendant alleges new evidence that could lead to a different outcome in the case—or that undermines the reliability of the trial—there is typically a hearing.

From "Just Mercy" by Bryan Stevenson

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

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

But the judge initially permitted him to supervise prosecutions in his other roles — an arrangement the subsequent 9th Circuit ruling undermined.

From Los Angeles Times ● Oct. 28, 2026

“Additionally, as we have said repeatedly, personnel are only removed at this FBI if they have been found to have acted unethically, undermined the mission, or engaged in weaponization of law enforcement.”

From Salon ● Oct. 20, 2026

The discovery of the New World had fatally undermined any claim that there are some things on which all human beings can agree—here were societies practising nudity and cannibalism.

From "The Invention of Science" by David Wootton

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

ABC affiliates are annoyed with Disney’s plans to simulcast the Super Bowl on platforms including Disney+, ESPN2 and the NFL Network, potentially undermining their ad revenue during the game.

From The Wall Street Journal ● Oct. 26, 2026

"A succession of UK government programmes has been layered on top of devolved responsibilities and in some cases undermining them," he said.

From BBC ● Oct. 19, 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

The worldly Argentinean grandmaster Miguel Najdorf, who wasn’t playing in the tournament, introduced Bobby to the city’s nightlife, not caring that he was undermining the boy’s possibility of gaining a top spot in the competition.

From "Endgame" by Frank Brady


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