The clue "Colorless gas" last appeared in the Thomas Joseph - King Feature Syndicate crossword on August 6, 2019. The correct answer for this puzzle is "XENON", a 5-letter word.
Solution XENON is our most searched for solution by our visitors. Solution XENON is 5 letters long. We have 2 further solutions of the same word length.
There are 6 solutions. The longest is PROPANE with 7 letters, and the shortest is ARGON with 5 letters.
Indeed, "COLORLESS GAS" is among today´s most searched crossword clues (latest update: 29 Dec 2025). Many solvers are struggling with this one!
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Solutions are between 5 and 7 letters long.