Crossword clues for the word: WATERPROOF The word WATERPROOF has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for WATERPROOF Showing 1 to 5 of 5 results Clue(s) Academic in pursuit of quality accepting nothing, allowing no leaks Impervious to H2O Impervious to rain Mac adding strength of spirit to general excellence What Wellingtons should be