tsu·​na·​mi | \ (t)su̇-ˈnä-mē \
plural tsunamis also tsunami

Definition of tsunami

: a great sea wave produced especially by submarine earth movement or volcanic eruption : tidal wave

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Other Words from tsunami

tsunamic \ (t)su̇-​ˈnä-​mik \ adjective

Examples of tsunami in a Sentence

Recent Examples on the Web

The Brunswick plant's two reactors are of the same design as those in Fukushima, Japan, that exploded and leaked radiation following a 2011 magnitude 9 earthquake and tsunami. Lucia I. Suarez Sang, Fox News, "Hurricane Florence's potentially catastrophic path includes 'at-risk' nuclear power plants," 12 Sep. 2018 Dave Sullivan, manager of product analysis at AutoPacific Inc., said a supplier crisis hit automakers after a 2011 tsunami in Japan, and the situation was eventually resolved. Phoebe Wall Howard, Detroit Free Press, "Ford F-150 parts won't be easy to get, experts say," 10 May 2018 Officials are continuing to monitor the situation, hoping to avoid a repeat of the 2011 tsunami, which devastated Japan before striking Hawaii and reaching California. Dakin Andone, CNN, "Hawaii residents on Big Island under threat of lava, earthquakes and gas," 5 May 2018 After the Civil War, vast fortunes were made from railways, mining, wheat and real estate, a tsunami of new wealth that threatened to overwhelm the Knickerbocker establishment headed by Mrs. Astor. Anne De Courcy, WSJ, "‘What Would Mrs. Astor Do?’ Review: The Arbitress of the Gilded Age," 29 Nov. 2018 Some residents along the East Coast received a false tsunami warning on Tuesday morning after a monthly test was issued by the National Weather Service Tsunami Alerts. Kalhan Rosenblatt, NBC News, "National Weather Service sends out false tsunami warning to East Coast," 6 Feb. 2018 The devastation Hurricane Harvey brought to the Alley Theatre could pale in comparison to the damage inflicted by a tsunami of allegations by more than a dozen current and former employees of Houston's Tony Award-winning resident company. Molly Glentzer, Houston Chronicle, "Alley Theatre leaders remain silent about allegations," 12 Jan. 2018 Image The geek in me loves the tsunami of fine details flooding the page, written in the breezy style of a rising star millennial scientist. Ira Flatow, New York Times, "When the Dinosaurs Reigned," 29 May 2018 Villanova then struck like a tsunami, outscoring the Mountaineers 22-6 over the next five minutes to put it away. Blair Kerkhoff, kansascity, "NCAA tourney's final top seeds are in action Sunday ... but only one is favored | The Kansas City Star," 24 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tsunami.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of tsunami

1896, in the meaning defined above

History and Etymology for tsunami

Japanese, from tsu harbor + nami wave

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Statistics for tsunami

Last Updated

12 Jan 2019

Look-up Popularity

Time Traveler for tsunami

The first known use of tsunami was in 1896

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More Definitions for tsunami



English Language Learners Definition of tsunami

: a very high, large wave in the ocean that is usually caused by an earthquake under the sea and that can cause great destruction when it reaches land


tsu·​na·​mi | \ su̇-ˈnä-mē \

Kids Definition of tsunami

: a large sea wave produced especially by an earthquake or volcanic eruption under the sea : tidal wave

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More from Merriam-Webster on tsunami

Rhyming Dictionary: Words that rhyme with tsunami

Thesaurus: All synonyms and antonyms for tsunami

Nglish: Translation of tsunami for Spanish Speakers

Britannica.com: Encyclopedia article about tsunami

Comments on tsunami

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someone who never drinks alcohol

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