Crossword clues for the word: GROUNDBREAKING The word GROUNDBREAKING has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for GROUNDBREAKING Showing 1 to 3 of 3 results Clue(s) Book-jacket blurb for Finding Fault--In Search of Earthquakes Like a tiller? Short review of Finding Fault: Earthquake Tracking in America?