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
Historical evidence suggests that a powerful earthquake and tsunami struck Alexandria centuries ago, causing much of the land to sink into the Mediterranean.
—
Kaif Shaikh, Interesting Engineering, 16 Oct. 2025
There were no immediate reports of injuries or damage on Tuesday, and no tsunami warning.
—Hollie Silverman, MSNBC Newsweek, 14 Oct. 2025
Regional tsunami warnings have since been cancelled, according to Reuters, but the pair of quakes left behind damage to buildings and roads.
—Jillian Frankel, PEOPLE, 11 Oct. 2025
The Pacific Tsunami Warning Center issued an update around noon local time, saying the tsunami threat in the Philippines had passed, having earlier said waves 3 to 9 feet high were possible, though warnings from other agencies remained in place.
—Mikhail Flores, USA Today, 10 Oct. 2025
See All Example Sentences for tsunami
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Kaif Shaikh, Interesting Engineering, 16 Oct. 2025
There were no immediate reports of injuries or damage on Tuesday, and no tsunami warning.
—Hollie Silverman, MSNBC Newsweek, 14 Oct. 2025
Regional tsunami warnings have since been cancelled, according to Reuters, but the pair of quakes left behind damage to buildings and roads.
—Jillian Frankel, PEOPLE, 11 Oct. 2025
The Pacific Tsunami Warning Center issued an update around noon local time, saying the tsunami threat in the Philippines had passed, having earlier said waves 3 to 9 feet high were possible, though warnings from other agencies remained in place.
—Mikhail Flores, USA Today, 10 Oct. 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 18 Oct. 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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