tsunami.
A very large and destructive wave, generally caused by a tremendous disturbance in the ocean, such as an undersea earthquake or volcanic eruption; often a series of waves (a wave train).
Meaning & usage
A very large and destructive wave, generally caused by a tremendous disturbance in the ocean, such as an undersea earthquake or volcanic eruption; often a series of waves (a wave train).
A tsunami struck Japan recently.
A large and generally unstoppable surge.
Where this word comes from
Borrowed from Japanese 津波 (tsunami), from 津 (tsu, “harbour”) + 波 (nami, “wave”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.