Crossword clues for the word: HIPPOPOTAMUS The word HIPPOPOTAMUS has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for HIPPOPOTAMUS Showing 1 to 7 of 7 results Clue(s) African river mammal Animal with a huge mouth Large African mammal Large mammal Large mammal living in or around the rivers of sub-Saharan Africa Pachyderm Very large mammal