endanger
verb (used with object)
to expose to danger; imperil.
had endangered
-
past perfectof endanger.past perfect
Used to express a completed action that took place before another specific past action occurred.
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.
Chinese authorities alleged he had endangered the country’s national security.
From The Wall Street Journal ● Sep. 13, 2026
Dr Winnie Kiiru, a Kenyan biologist and elephant conservationist, termed the tourist's behaviour "unfortunate" as it had endangered his life and that of the elephant.
From BBC ● Aug. 28, 2025
Leavitt also defended Witkoff specifically, dismissing the idea that he had endangered sensitive information in Russia and calling reporting that he had used personal devices to engage in the Signal chat while there “false.”
From Los Angeles Times ● Mar. 26, 2025
Under the deal, Tehran and Riyadh agreed to end a diplomatic rift and reestablish relations following years of hostility that had endangered regional stability in the Gulf, as well as in Yemen, Syria and Lebanon.
From Reuters ● Aug. 17, 2023
It had endangered his friends and botched their quest.
From "The Mark of Athena" by Rick Riordan
