underwater

As an adjective underwater

is (not comparable) beneath the surface of the water, or of or pertaining to the region beneath the water surface.

As an adverb underwater

is going beneath the surface of the water.

As a noun underwater

is underlying water or body of water, for example in an aquifer or the deep ocean.

As a verb underwater

is (agriculture|horticulture) to water or irrigate insufficiently.

As nouns the difference between underwater and bangstick

is that underwater is underlying water or body of water, for example in an aquifer or the deep ocean while bangstick is a kind of underwater speargun used primarily against sharks.

As an adjective underwater

is (not comparable) beneath the surface of the water, or of or pertaining to the region beneath the water surface.

As an adverb underwater

is going beneath the surface of the water.

As a verb underwater

is (agriculture|horticulture) to water or irrigate insufficiently.

As nouns the difference between underwater and divemaster

is that underwater is underlying water or body of water, for example in an aquifer or the deep ocean while divemaster is a person responsible for a group of underwater divers.

As an adjective underwater

is beneath the surface of the water, or of or pertaining to the region beneath the water surface.

As an adverb underwater

is going beneath the surface of the water.

As a verb underwater

is to water or irrigate insufficiently.

As nouns the difference between underwater and powerhead

is that underwater is underlying water or body of water, for example in an aquifer or the deep ocean while powerhead is the part of a machine that is the source of power.

As an adjective underwater

is (not comparable) beneath the surface of the water, or of or pertaining to the region beneath the water surface.

As an adverb underwater

is going beneath the surface of the water.

As a verb underwater

is (agriculture|horticulture) to water or irrigate insufficiently.

As nouns the difference between underwater and speargun

is that underwater is underlying water or body of water, for example in an aquifer or the deep ocean while speargun is a tube-shaped gun that fires a barbed spear, almost always for underwater use.

As an adjective underwater

is (not comparable) beneath the surface of the water, or of or pertaining to the region beneath the water surface.

As an adverb underwater

is going beneath the surface of the water.

As a verb underwater

is (agriculture|horticulture) to water or irrigate insufficiently.

As nouns the difference between underwater and waterquake

is that underwater is underlying water or body of water, for example in an aquifer or the deep ocean while waterquake is the event in which an earthquake happens underwater, usually in an ocean or lake.

As an adjective underwater

is (not comparable) beneath the surface of the water, or of or pertaining to the region beneath the water surface.

As an adverb underwater

is going beneath the surface of the water.

As a verb underwater

is (agriculture|horticulture) to water or irrigate insufficiently.

As nouns the difference between underwater and oceanaut

is that underwater is underlying water or body of water, for example in an aquifer or the deep ocean while oceanaut is an explorer in a submarine.

As an adjective underwater

is (not comparable) beneath the surface of the water, or of or pertaining to the region beneath the water surface.

As an adverb underwater

is going beneath the surface of the water.

As a verb underwater

is (agriculture|horticulture) to water or irrigate insufficiently.

As nouns the difference between underwater and tremie

is that underwater is underlying water or body of water, for example in an aquifer or the deep ocean while tremie is hopper.

As an adjective underwater

is (not comparable) beneath the surface of the water, or of or pertaining to the region beneath the water surface.

As an adverb underwater

is going beneath the surface of the water.

As a verb underwater

is (agriculture|horticulture) to water or irrigate insufficiently.