Crossword clues for the word: THERMOPYLAE The word THERMOPYLAE has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for THERMOPYLAE Showing 1 to 3 of 3 results Clue(s) Complex play on Rome lost in the battle Historic Greek gate Where Persia defeated Sparta in 480 B.C.