Submerged
Part of speech: verb
Definition: To sink out of sight.
Part of speech: adjective
Definition: Something that is underwater.
Example sentence: Sea-Monkeys are hybrid brine shrimp and the brainchild of the mail-order entrepreneur Harold von Braunhut in 1957. When their crystallized eggs are submerged in water, minuscule crustaceans emerge; they can grow up to 2 inches long.
Underwater
Part of speech: adjective
Definition: beneath the surface of the water, or of or pertaining to the region beneath the water surfacebeneath the water line of a vesselhaving negative equity; owing more on an asset than its market value
Part of speech: noun
Definition: underlying water or body of water, for example in an aquifer or the deep oceanA type of lure which lies beneath the water surface.
Part of speech: verb
Definition: to water or irrigate insufficiently
Example sentence: I cant swim underwater. I am claustrophobic and I am scared of creepy crawlies.