Crossword clues for the word: BIGDIG The word BIGDIG has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for BIGDIG Showing 1 to 2 of 2 results Clue(s) "15-year tunneling/rerouting megaproject in Boston, familiarly" Construction project that gave rise to the Ted Williams Tunnel