Crossword clues for the word: RDEL The word RDEL has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for RDEL Showing 1 to 3 of 3 results Clue(s) "Letters after Christine O'Donnell's name, had she won the election" Political designation for U.S. Rep. Mike Newcastle of Wilmington: Abbr. Wilmington Republican's designation: abbr.