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 production was plagued by hurricanes, tsunami warnings, stinging jellyfish and several injuries — including Costner, who almost died while riding out a storm stranded atop a mast after his safety line had snapped.
—
Peter Kiefer, HollywoodReporter, 8 Oct. 2025
In 2021, a paper from University of California, Irvine assistant professor Sangeetha Abdu Jyothi detailed the devastating effects a powerful coronal mass ejection – or a ‘solar tsunami’ – could have on our internet-reliant world.
—Chris Young, Interesting Engineering, 6 Oct. 2025
People who run hospitals, who run clinics are saying there is a tsunami coming to this state, this nation.
—ABC News, 5 Oct. 2025
Swift’s 149-show, five-continent expedition encapsulated a tsunami of emotions not just among her fans, but her own journey through a very public breakup, a fling and, as indicated by her engagement to Kelce, knee-buckling love.
—Melissa Ruggieri, USA Today, 3 Oct. 2025
See All Example Sentences for tsunami
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Peter Kiefer, HollywoodReporter, 8 Oct. 2025
In 2021, a paper from University of California, Irvine assistant professor Sangeetha Abdu Jyothi detailed the devastating effects a powerful coronal mass ejection – or a ‘solar tsunami’ – could have on our internet-reliant world.
—Chris Young, Interesting Engineering, 6 Oct. 2025
People who run hospitals, who run clinics are saying there is a tsunami coming to this state, this nation.
—ABC News, 5 Oct. 2025
Swift’s 149-show, five-continent expedition encapsulated a tsunami of emotions not just among her fans, but her own journey through a very public breakup, a fling and, as indicated by her engagement to Kelce, knee-buckling love.
—Melissa Ruggieri, USA Today, 3 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 15 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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