: 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
Recent Examples on the Web
Ryan Brennan, Kansas City Star, 30 Mar. 2026
Bulté is now working with a wildlife statistician to assess whether the Opinicon population is stable, growing, or shrinking — and whether the male-female ratio has been permanently shifted by the 2022 die-off.
—Ryan Brennan, Miami Herald, 30 Mar. 2026
Greg Porter, San Francisco Chronicle, 2 Apr. 2026
Agriculture in Patagonia, the southern tip of the region, dies off — the local sheep get eye cancer at a rate that makes extensive farming impossible.
—Big Think, 31 Mar. 2026
See All Example Sentences for die-off
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Noun
Bulté is working with a wildlife statistician to assess whether the Opinicon population is stable, growing, or shrinking — and whether the male-female ratio has been permanently shifted by the 2022 die-off.
—Ryan Brennan, Kansas City Star, 30 Mar. 2026
Bulté is now working with a wildlife statistician to assess whether the Opinicon population is stable, growing, or shrinking — and whether the male-female ratio has been permanently shifted by the 2022 die-off.
—Ryan Brennan, Miami Herald, 30 Mar. 2026
Verb
Those winds will die off overnight, leaving clear and cool conditions with lows in the mid-to-upper 40s.
—Greg Porter, San Francisco Chronicle, 2 Apr. 2026
Agriculture in Patagonia, the southern tip of the region, dies off — the local sheep get eye cancer at a rate that makes extensive farming impossible.
—Big Think, 31 Mar. 2026
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 4 Apr. 2026.
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