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
But pop-punk and emo’s meteoric rise wouldn’t be complete without bands like Motion City Soundtrack, Gym Class Heroes, and Cartel, who each helped build the genre’s wave into a tsunami in the early-aughts.
—
Maya Georgi, Rolling Stone, 30 Dec. 2025
With all that data, the Rubin Observatory may deliver a tsunami of unprecedented astronomical discoveries.
—Keith Cooper, Space.com, 28 Dec. 2025
That reversibility could reduce transport costs while enabling fast setup in emergencies, such as deploying a temporary field hospital after a tsunami.
—Aamir Khollam, Interesting Engineering, 24 Dec. 2025
Kashiwazaki-Kariwa, located about 136 miles northwest of Tokyo, was among 54 reactors shut after the 2011 earthquake and tsunami crippled the Fukushima Daiichi plant in the worst nuclear disaster since Chernobyl.
—Reuters, NBC news, 22 Dec. 2025
See All Example Sentences for tsunami
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Maya Georgi, Rolling Stone, 30 Dec. 2025
With all that data, the Rubin Observatory may deliver a tsunami of unprecedented astronomical discoveries.
—Keith Cooper, Space.com, 28 Dec. 2025
That reversibility could reduce transport costs while enabling fast setup in emergencies, such as deploying a temporary field hospital after a tsunami.
—Aamir Khollam, Interesting Engineering, 24 Dec. 2025
Kashiwazaki-Kariwa, located about 136 miles northwest of Tokyo, was among 54 reactors shut after the 2011 earthquake and tsunami crippled the Fukushima Daiichi plant in the worst nuclear disaster since Chernobyl.
—Reuters, NBC news, 22 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 4 Jan. 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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