Crossword clues for the word: CELTICEMPIRE The word CELTICEMPIRE has appeared as an answer to at least 1 crossword clue on different crossword puzzles. Crossword clues for CELTICEMPIRE Showing 1 to 1 of 1 results Clue(s) 2019 Dirk Pitt novel co-written by 40-Across and his son Dirk (2 wds.)