die-off

1 of 2

noun

: a sudden sharp decline of a population of animals or plants that is not caused directly by human activity

die off

2 of 2

verb

died off; dying off; dies off

intransitive verb

: to die sequentially either singly or in numbers so that the total number is greatly diminished

Word History

First Known Use

Noun

1936, in the meaning defined above

Verb

1697, in the meaning defined above

Time Traveler
The first known use of die-off was in 1697

Dictionary Entries Near die-off

Cite this Entry

“Die-off.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/die-off. Accessed 6 Dec. 2022.

Kids Definition

die-off

noun

ˈdī-ˌȯf
: a sudden sharp drop in the numbers of plants or animals in a group
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