tsunami
noun
tsu·na·mi
(t)su̇-ˈnä-mē 
plural tsunamis also tsunami
: a great sea wave produced especially by submarine earth movement or volcanic eruption : tidal wave
Examples of tsunami in a Sentence
Recent Examples on the Web
The Big Bang may have started the universe, but the big boom off the coast of Massachusetts has started a viral tsunami.
—
Mike Sullivan, CBS News, 1 June 2026
The Hunga Tonga-Hunga Ha’apai volcano erupted with a power hundreds of times stronger than the Hiroshima nuclear explosion, setting off a tsunami and a sonic boom that went around the planet twice.
—Laura Paddison, CNN Money, 30 May 2026
This iconic resort, located 16 miles north of Kailua-Kona at the site of an ancient fishing village leased from the Kamehameha Schools, first opened in the 1960s and was shut down after a tsunami devastated much of the coast in 2011.
—Brianna Randall, Forbes.com, 30 May 2026
No tsunami warning has been issued in relation to the earthquake, according to the USGS.
—Robert McGreevy, FOXNews.com, 23 May 2026
See All Example Sentences for tsunami
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Mike Sullivan, CBS News, 1 June 2026
The Hunga Tonga-Hunga Ha’apai volcano erupted with a power hundreds of times stronger than the Hiroshima nuclear explosion, setting off a tsunami and a sonic boom that went around the planet twice.
—Laura Paddison, CNN Money, 30 May 2026
This iconic resort, located 16 miles north of Kailua-Kona at the site of an ancient fishing village leased from the Kamehameha Schools, first opened in the 1960s and was shut down after a tsunami devastated much of the coast in 2011.
—Brianna Randall, Forbes.com, 30 May 2026
No tsunami warning has been issued in relation to the earthquake, according to the USGS.
—Robert McGreevy, FOXNews.com, 23 May 2026
See All Example Sentences for tsunami
Cite this Entry
“Tsunami.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tsunami. Accessed 4 Jun. 2026.
Copy CitationKids Definition
tsunami
noun
tsu·na·mi
(t)su̇-ˈnäm-ē
: a great sea wave produced especially by an earthquake or volcanic eruption under the sea : tidal wave
Etymology
Japanese, from tsu "harbor" + nami "wave"
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