Crossword clues for the word: MUMBLES The word MUMBLES has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for MUMBLES Showing 1 to 5 of 5 results Clue(s) "Is hard to follow, maybe" District of Swansea, South Wales, housing Oystermouth Castle Mutters Speaks unclearly Welsh location is unclear