Once in a blue moon
The crossword clue "Once in a blue moon" is answered by SELDOM, a 6-letter entry. Used 20 times across 17 distinct years; most recently in 2024; first recorded in 1937. It appears in 14 publications in the xd corpus.
The answer
SELDOM
6 letters. See every clue for this answer on the SELDOM answer page.
Used 20 times across 17 distinct years; most recently in 2024; first recorded in 1937. 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.
- ONRAREOCCASIONS (1 uses in xd)
- SELDOMLY (1 uses in xd)
Other clues for SELDOM
Every other clue in this collection answered by SELDOM, most used first.
- Rarely - used 44 times, most recently in 2026
- Infrequently - used 26 times, most recently in 2025
- Not often - used 21 times, most recently in 2026
- Hardly ever - used 19 times, most recently in 2026
- On rare occasions - used 6 times, most recently in 2019
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.
- Moon goddess - SELENE, used 64 times
- Moon of Jupiter - EUROPA, used 40 times
- Iran, once - PERSIA, used 29 times
- Shade of blue - COBALT, used 29 times
- Once in a blue moon - RARELY, used 27 times
- Once more - AFRESH, used 26 times
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