: a sudden sharp decline of a population of animals or plants that is not caused directly by human activity
died off; dying off; dies off
: to die sequentially either singly or in numbers so that the total number is greatly diminished
Examples of die-off in a Sentence
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Christine Condon, Baltimore Sun, 24 Mar. 2025
Fluctuating temperatures like those the metro experienced over the past week also contribute to their die-offs.
—Frederick Melo, Twin Cities, 14 Mar. 2025
Thomas G. Moukawsher, Newsweek, 20 Mar. 2025
But as older Democrats retreat from public life and die off, they are getting replaced by younger, anti-Israel Democrats.
—Bradley Gitz, arkansasonline.com, 17 Mar. 2025
See All Example Sentences for die-off
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Noun
But the 2023 conditions were also favorable for the spread of diseases MSX and Dermo, which can cause die-offs in oyster reefs.
—Christine Condon, Baltimore Sun, 24 Mar. 2025
Fluctuating temperatures like those the metro experienced over the past week also contribute to their die-offs.
—Frederick Melo, Twin Cities, 14 Mar. 2025
Verb
Once this front moves through tonight, the breezy conditions quickly die off and the fire threat lowers considerably.
—Thomas G. Moukawsher, Newsweek, 20 Mar. 2025
But as older Democrats retreat from public life and die off, they are getting replaced by younger, anti-Israel Democrats.
—Bradley Gitz, arkansasonline.com, 17 Mar. 2025
See All Example Sentences for die-off
Cite this Entry
“Die-off.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/die-off. Accessed 1 Apr. 2025.
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