inundation

noun

in·​un·​da·​tion ˌi(ˌ)nənˈdāshən How to pronounce inundation (audio)
plural -s
Synonyms of inundationnext
1
: a rising and spreading of water over land not usually submerged : flood
the threat of inundation by the seaLewis Mumford
his tears were not drops but a little inundation down his cheeksGlenway Wescott
fossil shells give evidence of prehistoric inundations
2
: deluge, swarm
an inundation of telegrams
an inundation of tourists

Word History

Etymology

Middle English inundacion, from Latin inundation-, inundatio, from inundatus (past participle of inundare) + -ion-, -io -ion

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Cite this Entry

“Inundation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inundation. Accessed 13 Dec. 2025.

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