Crossword clues for the word: COLOSSEUM The word COLOSSEUM has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for COLOSSEUM Showing 1 to 8 of 8 results Clue(s) Ancient Roman amphitheater Arena dedicated in A.D. 80 Gladiatorial venue Project begun by the emperor Vespasian Roman tourist attraction Structure dating from 72 A. D. Structure finished during Titus' reign World's largest amphitheater