underwater

US /ˌʌn.dɚˈwɑː.t̬ɚ/
UK /ˌʌn.dɚˈwɑː.t̬ɚ/
1.

Unterwasser

situated, occurring, or done beneath the surface of water.

:
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there are underwater volcanoes in the region
:
underseasubmarinesub-aquaticsubaqueoussubmergedimmersedsunken
2.

Unterwasser

submerged; flooded.

:
•
the causeway was under water
1.

Unterwasser

beneath the surface of water.

:
•
the seal spent a lot of time underwater