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have simmered

  • present perfect
    of simmer.
    simmer
    verb (used without object)
    to cook or cook in a liquid at or just below the boiling point.

Example Sentences

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Saudi Arabia and the U.A.E. have long maintained peaceful relations with each other and are key security partners for the U.S., but tensions have simmered just below the surface and occasionally erupt.

From The Wall Street Journal ● Dec. 30, 2025

Nearly 650 schools across five Thai provinces have been ordered to shut for safety reasons, Thailand's education minister said, following the fresh tensions that have simmered since Sunday.

From BBC ● Dec. 8, 2025

For now, it seems tensions between Jess and LoRosa have simmered down — at least publicly.

From Los Angeles Times ● Mar. 20, 2025

Tensions have simmered in recent weeks as the North ramped up military activities, testing a new solid-fuel intercontinental ballistic missile on Friday that experts say would facilitate missile launches with little warning.

From Reuters ● Apr. 17, 2023

By now he’ll have simmered down a bit. 

From Mike by P. G. (Pelham Grenville) Wodehouse