: 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
John Kominoski, The Conversation, 15 Apr. 2025
Most officials linked the deaths to the die-off of seagrass in the lagoon that year, which many experts connect to polluted water.
—Stephanie Hanes, Christian Science Monitor, 10 Apr. 2025
Charles McNulty, Los Angeles Times, 16 Apr. 2025
Crown Bees Honeybees, which are tasked with pollinating many of the agricultural crops in the United States, are dying off in record numbers.
—Martha Ann Overland, NPR, 6 Apr. 2025
See All Example Sentences for die-off
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Noun
The changes led to seagrass die-offs and widespread invasion of sawgrass marshes by cattail and harmful algal blooms.
—John Kominoski, The Conversation, 15 Apr. 2025
Most officials linked the deaths to the die-off of seagrass in the lagoon that year, which many experts connect to polluted water.
—Stephanie Hanes, Christian Science Monitor, 10 Apr. 2025
Verb
Species are dying off, sea levels are rising and extreme weather events are occurring more frequently.
—Charles McNulty, Los Angeles Times, 16 Apr. 2025
Crown Bees Honeybees, which are tasked with pollinating many of the agricultural crops in the United States, are dying off in record numbers.
—Martha Ann Overland, NPR, 6 Apr. 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 27 Apr. 2025.
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