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Definitions

underwater

[uhn-der-waw-ter, -wot-er] / ˈʌn dərˈwɔ tər, -ˈwɒt ər /
ADJECTIVE
under the water's surface
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In January 2022, the underwater volcano Hunga Tonga-Hunga Ha'apai in the South Pacific produced one of the most powerful eruptions in modern history.

From Science Daily • May 10, 2026

In some areas prices have slipped, leaving some owners underwater.

From The Wall Street Journal • May 2, 2026

Seagrasses are flowering plants that live in shallow, sheltered areas of the coast, forming dense underwater meadows.

From BBC • May 2, 2026

Still, the instant discount is something of a black eye, since it means investors who lined up to buy the fund at launch are already underwater.

From Barron's • May 1, 2026

The excavations of the Antikythera shipwreck, in 1900, marked the beginnings of underwater excavations carried out in what is regarded as a technologically primitive manner.

From "Shipwrecked!" by Martin W. Sandler