(not comparable) Beneath the surface of the water; of or pertaining to the region beneath the water surface. / (nautical) Beneath the water line of a vessel.

So as to go beneath the surface of the water.

Underlying water or body of water, for example in an aquifer or the deep ocean. / (fishing) A type of lure which lies beneath the water surface.

(agriculture, horticulture) To water or irrigate insufficiently.

simple past tense and past participle of underwater

present participle of underwater

plural of underwater

Third-person singular simple present indicative form of underwater

A sport in which two teams compete to manoeuvre a puck across the bottom of a swimming pool into the opposing team's goal by propelling it with a pusher.

An underwater sport in which each team attempts to manoeuvre a ball filled with salt water into the opposing goal.