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[in-uh n-deyt, -uhn-, in-uhn-deyt] /ˈɪn ənˌdeɪt, -ʌn-, ɪnˈʌn deɪt/
verb (used with object), inundated, inundating.
to flood; cover or overspread with water; deluge.
to overwhelm:
inundated with letters of protest.
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 forms
inundation, noun
inundator, noun
[in-uhn-duh-tawr-ee, -tohr-ee] /ɪnˈʌn dəˌtɔr i, -ˌtoʊr i/ (Show IPA),
superinundation, noun
uninundated, adjective
2. glut. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for inundated
  • Last year's flood disaster also inundated coal mines, pushing up coal prices.
  • Sinkholes can occur when underground rocks that can be dissolved by water-such as salt, gypsum, and limestone-are inundated.
  • Rescue and rehabilitation centers have been inundated with refugees from these fires and from the illegal animal trade.
  • The waves kept coming all night long, and for the first few hours they repeatedly inundated the three-story building.
  • Rising sea level has inundated their gardens and washed away their beaches.
  • The blogosphere has been inundated with people mocking the new salutation and proposing alternative greetings.
  • If inundated by chloride ions, as a result of corrosion by salt water, their conductivity increases.
  • Since then, she has been inundated with calls from around the world.
  • We have always been inundated with them, but now more than ever.
  • If customer service is inundated with complaints, everyone in the company should know about it.
British Dictionary definitions for inundated


verb (transitive)
to cover completely with water; overflow; flood; swamp
to overwhelm, as if with a flood: to be inundated with requests
Derived Forms
inundant, inundatory, adjective
inundation, noun
inundator, noun
Word Origin
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
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Word Origin and History for inundated



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

Online Etymology Dictionary, © 2010 Douglas Harper
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