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Synonyms

inundate

American  
[in-uhn-deyt, -uhn-] / ˈɪn ənˌdeɪt, -ʌn- /

verb (used with object)

inundated, inundating
  1. to flood; cover or overspread with water; deluge.

  2. to overwhelm.

    inundated with letters of protest.

    Synonyms:
    glut

inundate British  
/ ˈɪnʌnˌdeɪt /

verb

  1. to cover completely with water; overflow; flood; swamp

  2. to overwhelm, as if with a flood

    to be inundated with requests

"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

Related Words

See flood.

Other Word Forms

  • inundant adjective
  • inundation noun
  • inundator noun
  • inundatory adjective

Etymology

Origin of inundate

First recorded in 1615–25; from Latin inundātus, past participle of inundāre “to flood, overflow,” equivalent to in- in- 2 + und(a) “wave” + -ātus -ate 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Mr Weston said "prolonged wet weather meant further rain had nowhere to go other than to inundate our ageing and fragile sewer network".

From BBC • Jul. 15, 2025

Runner-Up: I also let Instagram totally inundate me with border collie videos.

From Slate • Dec. 28, 2024

So his team errs on the side of caution, especially when the earthquake hits closer to the coast — as this one did — and could more quickly inundate populated areas.

From Los Angeles Times • Dec. 6, 2024

Technicians drill holes into the infested wood to reach the termite "gallery" or lair, then inject poison into the hole to inundate the bugs.

From Science Daily • May 31, 2024

“Can we not inundate this amazing young woman with our masculine vitriol on her birthday?”

From "Odd One Out" by Nic Stone