Crossword Heaven

Answer: UPSIDEDOWN

UPSIDEDOWN is a crossword puzzle answer that we have spotted 5 times.

• How the answers to this puzzle's starred clues all appear
• How 25-Across appeared at a 6-Down in 1961
• Inverted
• Like the Poseidon, after the tidal wave
• How to read the "words" written on this puzzle's 108-Across