underwater
adjectiveUK /ˌʌn.dəˈwɔː.tər/
US /ˌʌn.dɚˈwɑː.t̬ɚ/
Being under the water.
The divers explored the underwater world.
OTHER MEANINGS
2. Below the surface of the water.
The turtle swam underwater for a long time.
3. Designed to be used beneath the water.
He wore an underwater camera to film the fish.
4. Happening or located beneath the water's surface.
They found an underwater cave near the island.