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has been undermining
  • present perfect progressive of undermine (3rd person singular).

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.

The national currency, the rial, has lost more than a third of its value against the US dollar over the past year, while double-digit inflation has been undermining Iranians' purchasing power for years.

From Barron's • Jan. 5, 2026

“This period is very important for creating a different atmosphere in workplaces, where we move away from an environment that has been undermining workers for far too long,” Weil told me in a telephone interview.

From Los Angeles Times • Apr. 27, 2022

With many health professionals frantically urging Americans to be vaccinated, the health industry has been undermining that message through its own poor uptake.

From Washington Post • Jul. 26, 2021

The result has been more crude oil available in the market, worsening a glut that has been undermining oil prices for the past year and a half.

From The Wall Street Journal • Feb. 24, 2016

But it is left with the same basic problem that has been undermining Russian ballet since the 1940s or earlier: choreography that is at best unremarkable and at worst dismaying.

From New York Times • Nov. 19, 2014