Sierra Club founder
The crossword clue "Sierra Club founder" is answered by MUIR, a 4-letter entry. Used 26 times across 15 distinct years; most recently in 2024; first recorded in 2004. It appears in 11 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
MUIR
4 letters. See every clue for this answer on the MUIR answer page.
Used 26 times across 15 distinct years; most recently in 2024; first recorded in 2004. It appears in 11 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.
- JOHNMUIR (1 uses in xd)
Other clues for MUIR
Every other clue in this collection answered by MUIR, most used first.
- Naturalist John - used 56 times, most recently in 2026
- "The Ghost and Mrs. ___" - used 53 times, most recently in 2016
- Sierra Club founder John - used 30 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.
- Golf club - IRON, used 80 times
- Kind of club - GLEE, used 77 times
- ___ Club - SAMS, used 42 times
- Spiked club - MACE, used 42 times
- University founder Cornell - EZRA, used 35 times
- Jared of "Dallas Buyers Club" - LETO, used 34 times
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