underwater

[uhn-der-waw-ter, -wot-er] / ˈʌn dərˈwɔ tər, -ˈwɒt ər /

ADJECTIVE

under the water's surface

Synonyms

STRONGEST

submerged undersea

WEAK

immersed subaquatic subaqueous submarine sunken

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.

As plants break down underwater, they form methane, which then bubbles to the surface.

From Los Angeles Times • Apr. 15, 2026

Cuba’s underwater bus turns into a lifeline amid fuel crisis.

From MarketWatch • Apr. 14, 2026

The Russian embassy has previously said it was "not interested in British underwater communications."

From BBC • Apr. 9, 2026

Geologists often attribute them to underwater landslides that push sediment into ridges and grooves.

From Science Daily • Apr. 3, 2026

“So stay underwater as much as you can, to be safe.”

From "The Wild Robot Protects" by Peter Brown