Fire engine sound
THE ANSWER IS
The answer is SIREN.
Tap reveal when you’re ready—the letters stay hidden until then.
Why it fits
SIREN is the 5-letter answer to “Fire engine sound” in the January 10, 2021 Lexigo puzzle. Every answer must also trace a connected path across touching hexagons, with each word linking to its neighbors in the chain—so SIREN both satisfies the clue and fits the day’s board.