Crossword clues for the word: OLDFAITHFUL The word OLDFAITHFUL has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for OLDFAITHFUL Showing 1 to 8 of 8 results Clue(s) *Yellowstone attraction Famed geyser Famous geyser in 39-Across Wyoming attraction Yellowstone geyser Yellowstone Park attraction Yellowstone Park's big attraction. Yellowstone regular?