Thesaurus.com
Dictionary.com
Showing results for underwater.
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

"They were retrieved from the third chamber of the underwater cave by the specialist divers from Finland after a two-hour operation," Mohamed Hossain Shareef, a Maldivian government spokesperson told the BBC.

From BBC • May 19, 2026

Researchers say the discovery could improve earthquake models used to estimate seismic hazards along underwater faults around the world, including regions closer to major coastal populations.

From Science Daily • May 16, 2026

The Gofar fault is a deep underwater fracture where the Pacific and Nazca tectonic plates slide past one another at roughly 140 millimeters per year, about as fast as fingernails grow.

From Science Daily • May 16, 2026

Convinced that the best way to deliver his mines during wartime would be by submarine, he constructed a hand-powered, wooden, underwater vessel large enough to accommodate one operator.

From "Shipwrecked!" by Martin W. Sandler




Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "underwater" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com