Crossword clues for the word: COLOSSAL The word COLOSSAL has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for COLOSSAL Showing 1 to 10 of 10 results Clue(s) Enormous Extremely large reduction in fuel that’s consumed Highly imposing Huge Huge deficit beginning to accumulate in depression Huge deficit in fossil fuel Massive, huge Of immense size One of the Hollywood adjectives. Truly immense