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
According to seismic officials, the offshore quake did not trigger a new tsunami alert, and there were no immediate reports of serious damage or injuries as monitoring agencies assessed the impact.
—
Gabe Whisnant, MSNBC Newsweek, 10 Dec. 2025
Soon enough, one of the fans notices her and looks up, prompting Eilish to bang on the window, which unleashes a tsunami of screams from the groggy crowd as other early-risers spring across the parking lot to get in on the rare pre-show avail.
—Gil Kaufman, Billboard, 10 Dec. 2025
The agency had issued an alert for potential tsunami surges of up to 10 feet in some areas and later downgraded it to an advisory.
—CBS News, 8 Dec. 2025
Initial tsunami warnings cautioned that waves could reach up to three metres (10 feet) along the northeastern coastline.
—Aamir Khollam, Interesting Engineering, 8 Dec. 2025
See All Example Sentences for tsunami
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Gabe Whisnant, MSNBC Newsweek, 10 Dec. 2025
Soon enough, one of the fans notices her and looks up, prompting Eilish to bang on the window, which unleashes a tsunami of screams from the groggy crowd as other early-risers spring across the parking lot to get in on the rare pre-show avail.
—Gil Kaufman, Billboard, 10 Dec. 2025
The agency had issued an alert for potential tsunami surges of up to 10 feet in some areas and later downgraded it to an advisory.
—CBS News, 8 Dec. 2025
Initial tsunami warnings cautioned that waves could reach up to three metres (10 feet) along the northeastern coastline.
—Aamir Khollam, Interesting Engineering, 8 Dec. 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 14 Dec. 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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