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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

South Yorkshire Police said emergency services, an underwater search team and a mountain rescue team had so far been involved in the search of the river, the riverbank and nearby open land.

From BBC • Jun. 1, 2026

The reason we’re underwater is because most of us is hidden.

From Los Angeles Times • Jun. 1, 2026

Once underwater, my lake friends also came looking for me.

From "Flying Through Water" by Mamle Wolo




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