Crossword clues for the word: UNDERWATER The word UNDERWATER has appeared as an answer to at least 11 crossword clues on different crossword puzzles. Crossword clues for UNDERWATER Showing 1 to 11 of 11 results Clue(s) "Having a market value below its book value, as a loan" Like about 15 million U.S. homes Like the fish hidden in 20-, 34-, and 51-Across, if you look up a row? Masks are worn here Minisub's milieu Mortgaged to the hilt and then some ... and where it's at Submerged Submerged, flooded Where submarines operate Where to find Neptune? Where to see a wahoo.