Crossword clues for the word: SINNFEIN The word SINNFEIN has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for SINNFEIN Showing 1 to 6 of 6 results Clue(s) "It means ""we ourselves.""" Gerry Adams's group Irish society. It's Irish for "We Ourselves" Political faction in Ireland Political party in Ireland