Crossword clues for the word: SIEPI The word SIEPI has appeared as an answer to at least 13 crossword clues on different crossword puzzles. Crossword clues for SIEPI Showing 1 to 13 of 13 results Clue(s) Basso Cesare. Cesare of opera Cesare of the opera. Famed basso Italian basso Legendary Met Giovanni Met name Met. basso. Metropolitan basso. Opera basso. Opera singer Cesare Operatic singer Singer Cesare