Sidewinder's warning
THE ANSWER IS
The answer is RATTLE.
Tap reveal when you’re ready—the letters stay hidden until then.
Why it fits
RATTLE is the 6-letter answer to “Sidewinder's warning” in the December 5, 2020 Lexigo puzzle. Every answer must also trace a connected path across touching hexagons, with each word linking to its neighbors in the chain—so RATTLE both satisfies the clue and fits the day’s board.