Third-person singular simple present indicative form of submerge.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "submerges" in a sentence
"-With no exposed propeller and the ability to operate in very shallow water, the technology has advantages over conventional surface craft even before it submerges underwater."
"By consistently mixing mediums within galleries, the installation submerges you into the overall sense of design of a given court."
"She submerges us in Barbie's world and lets us see her life through her eyes."