The word "submerged" refers to something that is completely covered or immersed in water or any other fluid. In order to describe this state, there are various synonyms that can be used. Some of these include "sunken," "submersed," "immersed," and "drowned." Additionally, "sunk," "plunged," "buried," and "engulfed" are all synonyms that can be used to convey the same meaning as "submerged." These words can be helpful in providing specific details about a particular situation or environment that involves water or fluid. Overall, using synonyms for "submerged" can help to add depth and clarity to any piece of writing.