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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.

The cave, an underwater system which extends for hundreds of meters through multiple chambers and internal passages, begins with a first large, bright cavern with a sandy bottom.

From Barron's • May 21, 2026

These latest interceptions come amid increased Russian aggression in the region, the MoD added, pointing to recent submarine activity over critical underwater British infrastructure in the North Sea.

From BBC • May 20, 2026

Dr. Nester explained that eDNA is especially valuable for detecting fragile, fast-moving, or elusive marine species that may escape traditional nets and underwater cameras.

From Science Daily • May 14, 2026

About 71% of his delivery routes, he said, are financially underwater.

From The Wall Street Journal • May 11, 2026

These diesel-electric subs could cruise underwater on battery power for up to forty-eight hours, but to recharge they needed to approach the surface, take in oxygen, and run their diesel engines.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin




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