decimation

noun

dec·​i·​ma·​tion ˌde-sə-ˈmā-shən How to pronounce decimation (audio)
plural -s
Synonyms of decimationnext
1
a
: the taking of tithes or of a tax of one tenth
b
: the tithe or tax taken
2
: a selection of every tenth person
especially : selection by lot for punishment with death
3
: the destruction of a considerable part : reduction to the point of almost complete extermination
decimation of the forest Indians, brought about by diseaseFarley Mowat
4
a
: the act of decimating cryptographically
b
: the new sequence resulting from decimating

Word History

Etymology

Late Latin decimation-, decimatio, from Latin decimatus (past participle of decimare to pay as a tithe, select by lot and kill every tenth man of) + -ion-, -io -ion

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Cite this Entry

“Decimation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decimation. Accessed 14 Dec. 2025.

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