underwater
noun
Definitions
Underlying water or body of water, for example in an aquifer or the deep ocean
A type of lure which lies beneath the water surface.
verb
Definitions
To water or irrigate insufficiently
Example: Care must be taken not to underwater houseplants in the summer.
adjective
Definitions
Beneath the surface of the water, or of or pertaining to the region beneath the water surface
Beneath the water line of a vessel
Under water.
Having negative equity; owing more on an asset than its market value
Example: We've been underwater on our mortgage ever since the housing crash.
adverb
Definitions
Going beneath the surface of the water