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have heightened

  • present perfect
    of heighten.
    heighten
    verb (used with object)
    to increase the height of; make higher.

Example Sentences

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Investors have heightened their focus on long-term Treasury yields after their recent climb, partly on concerns that such moves lift borrowing costs for consumers, companies and the U.S. government.

From MarketWatch Aug. 22, 2026

The developments in Assam have heightened fears in West Bengal, officials and residents say.

From Barron's May 29, 2026

The detail and depiction are convincing, but have heightened worries among some in Hollywood about the potential for AI to replace actors on a wider scale.

From BBC Apr. 17, 2026

Long airport-security lines have heightened pressure on Congress to reach a deal.

From The Wall Street Journal Mar. 25, 2026

In this situation the captain, with the intrepid coolness which distinguished his character, did not choose to sound, as that, without any possibility of lessening, might have heightened the danger.

From Narrative of the Voyages Round the World, Performed by Captain James Cook : with an Account of His Life During the Previous and Intervening Periods by Andrew Kippis