Crossword clues for the word: IDIOSYNCRASY The word IDIOSYNCRASY has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for IDIOSYNCRASY Showing 1 to 3 of 3 results Clue(s) "Kojak's love of lollipops or Reagan's love of jellybeans, e.g." Peculiarity Quirk