Crossword clues for the word: SIEUR The word SIEUR has appeared as an answer to at least 11 crossword clues on different crossword puzzles. Crossword clues for SIEUR Showing 1 to 11 of 11 results Clue(s) -de La Salle """Dame"" counterpart" "French title of respect, once" "French title, old style." Explorer ___ de La Salle Former French title of respect French lord French title of respect Lord (French) Old French title. Word for le roi