"Once in a blue moon," e.g. Crossword Clue

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Here is the answer for the crossword clue "Once in a blue moon," e.g. last seen in Wall Street Journal puzzle. We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 5 letters. We think the likely answer to this clue is IDIOM.

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Crossword Answer For "Once in a blue moon," e.g.:

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40 Potential Answers:

RankAnswerLengthSourceDate
98% IDIOM "Once in a blue moon," e.g. (5) Wall Street Journal Apr 17, 2024
95% INA "Once ___ blue moon": 2 wds. (3)
87% ALE Blue Moon, for one (3) New York Times Dec 2, 2025
77% MUSICNOTES E, G, B, D and F, e.g. (10) USA Today Dec 5, 2025
77% RARE Like a red steak or a blue moon (4) Universal Nov 15, 2025
73% REACTIONGIF Speechless Nathan Fillion, e,g, (11) USA Today Sep 21, 2025
73% UKELELE Instrument with G-C-E-A tuning (7) USA Today Sep 13, 2025
73% NOTOFTEN Once in a blue moon (8) Universal Jul 8, 2025
73% RARELY Once in a blue moon (6) Wall Street Journal Oct 26, 2024
73% SELDOM Once in a blue moon (6) Wall Street Journal Jul 11, 2024

Last appeared together with the following clues in Wall Street Journal puzzle

"Once in a blue moon," e.g. Crossword Clue
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We found 40 solutions for "Once in a blue moon," e.g.. The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is IDIOM.

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With our crossword solver search engine you have access to over 7 million clues. You can narrow down the possible answers by specifying the number of letters it contains. We found more than 40 answers for "Once in a blue moon," e.g..