Inert gas
THE ANSWER IS
The answer is HELIUM.
Tap reveal when you’re ready—the letters stay hidden until then.
Why it fits
HELIUM is the 6-letter answer to “Inert gas” in the November 15, 2025 Lexigo puzzle. Every answer must also trace a connected path across touching hexagons, with each word linking to its neighbors in the chain—so HELIUM both satisfies the clue and fits the day’s board.