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have upended
  • present perfect of upend.

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.

Soaring oil and gas prices have upended many household budgets in recent months.

From MarketWatch • May 27, 2026

A defeat in the case for OpenAI could have upended its business model and reverberated to all the businesses that have come to rely on its success—Microsoft and Oracle perhaps the most.

From The Wall Street Journal • May 19, 2026

The attacks on the Islamic state have upended regional energy flows, with the crucial Strait of Hormuz -- through which about a fifth of global oil transits -- effectively closed off.

From Barron's • Mar. 3, 2026

Those plans, to impose tariffs of between 10% and 50% on almost every country, have upended global trade and led to warnings that prices could soon rise for American consumers.

From BBC • Apr. 5, 2025

Forest Service layoffs have upended surveys for spotted owls in Southern and Northern California, threatening data collection for the declining birds.

From Los Angeles Times • Mar. 11, 2025