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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.

US palaeontologist Stephen Godfrey compared the "truly unique discovery" to past major underwater finds, such as when scientists first identified hydrothermal vents teeming with life on the ocean floor in 1977.

From Barron's • Jun. 10, 2026

The helmets survived in exceptional condition thanks to a combination of sediment and mineral deposits that formed around them underwater.

From Science Daily • Jun. 8, 2026

We’re sitting on opposite ends of an underwater “sea-saw.”

From Los Angeles Times • Jun. 1, 2026

It would also help them deal with threats "including to our underwater cables and pipelines on which so much of our daily life depends".

From BBC • May 30, 2026

“The robots must be removing minerals from the underwater mountain. The floating structure must be the station where everything is controlled.”

From "The Wild Robot Protects" by Peter Brown




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