Inert gas
The crossword clue "Inert gas" is answered by ARGON, a 5-letter entry. Used 61 times across 29 distinct years; most recently in 2026; first recorded in 1958. It appears in 14 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
ARGON
5 letters. See every clue for this answer on the ARGON answer page.
Used 61 times across 29 distinct years; most recently in 2026; first recorded in 1958. It appears in 14 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this collection link to their own answer page.
- HELIUM (1 uses in xd)
- NITON (1 uses in xd)
Other clues for ARGON
Every other clue in this collection answered by ARGON, most used first.
- About 1% of the atmosphere - used 24 times, most recently in 2025
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- Nitrous ___ (laughing gas) - OXIDE, used 39 times
- Inert gas - XENON, used 37 times
- Hazardous gas - RADON, used 35 times
- Dangerous gas - RADON, used 32 times
- Noble gas - XENON, used 24 times
- Arc lamp gas - XENON, used 22 times
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