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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.

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

"They are extremely colorful and can be spotted on coral reef ecosystems. However, many nudibranchs are very small in size and are extremely difficult to spot underwater with the naked eye."

From Science Daily • May 27, 2026

It said "reservoirs can be extremely dangerous, despite appearing calm and safe" adding they can contain "hidden hazards including very cold water, deep and steep-sided banks, strong currents, underwater machinery and sudden drops".

From BBC • May 26, 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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