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[in-uhn-deyt, -uhn-, in-uhn-deyt]
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verb (used with object), in·un·dat·ed, in·un·dat·ing.
  1. to flood; cover or overspread with water; deluge.
  2. to overwhelm: inundated with letters of protest.
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Origin of inundate

1615–25; < Latin inundātus, past participle of inundāre to flood, overflow, equivalent to in- in-2 + und(a) wave + -ātus -ate1
Related formsin·un·da·tion, nounin·un·da·tor, nounin·un·da·to·ry [in-uhn-duh-tawr-ee, -tohr-ee] /ɪnˈʌn dəˌtɔr i, -ˌtoʊr i/, adjectivesu·per·in·un·da·tion, nounun·in·un·dat·ed, adjective

Synonyms for inundate

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2. glut.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for inundate

deluge, swamp, flood, engulf, submerge, overflow, overrun, dunk, glut, immerse, snow, whelm

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British Dictionary definitions for inundate


verb (tr)
  1. to cover completely with water; overflow; flood; swamp
  2. to overwhelm, as if with a floodto be inundated with requests
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Derived Formsinundant or inundatory, adjectiveinundation, nouninundator, noun

Word Origin for inundate

C17: from Latin inundāre to flood, from unda wave
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for inundate


1620s, back-formation from inundation, or else from Latin inundatus, past participle of inundare "to overflow, run over" (see inundation). Related: Inundated; inundating.

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Online Etymology Dictionary, © 2010 Douglas Harper