Crossword clues for the word: ILLEGIBLE The word ILLEGIBLE has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for ILLEGIBLE Showing 1 to 7 of 7 results Clue(s) Impossible to read Indecipherable Not well-written Unable to be perused Undecipherable. Unreadable Unwell say with bile disorder? Hard to make out