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
There is a blue and white wave painted on the sidewalk, the crest at the top of a cement square, municipal signage marking a tsunami evacuation route.
—
Rebecca Chace
july 14, Literary Hub, 14 July 2025
Some local governments, including San Mateo County, decided not to sound their tsunami sirens.
—Zoë Schlanger, The Atlantic, 8 July 2025
The event is family-friendly, offering games and a tsunami water slide for kids.
—Ana Gutierrez Austin American Statesman, Gutierrez Ana Austin American Statesman, Austin American Statesman, 2 July 2025
Fifty years ago, Jaws hit theaters with the force of a tsunami, and proceeded to scare the living daylights out of millions of viewers.
—Alexandra Gillespie, Outside Online, 25 June 2025
See All Example Sentences for tsunami
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Rebecca Chace
july 14, Literary Hub, 14 July 2025
Some local governments, including San Mateo County, decided not to sound their tsunami sirens.
—Zoë Schlanger, The Atlantic, 8 July 2025
The event is family-friendly, offering games and a tsunami water slide for kids.
—Ana Gutierrez Austin American Statesman, Gutierrez Ana Austin American Statesman, Austin American Statesman, 2 July 2025
Fifty years ago, Jaws hit theaters with the force of a tsunami, and proceeded to scare the living daylights out of millions of viewers.
—Alexandra Gillespie, Outside Online, 25 June 2025
See All Example Sentences for tsunami
Cite this Entry
“Tsunami.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tsunami. Accessed 21 Jul. 2025.
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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