HAPPENING ONCE IN A BLUE MOON Crossword Clue

The most common solution for the crossword clue "HAPPENING ONCE IN A BLUE MOON" are RARE with 4 letters.
We know 1 solutions for: HAPPENING ONCE IN A BLUE MOON
Crossword Puzzle Infos
Happening once in a blue moon is an idiom that means something that is very RARE or unlikely to occur. The crossword solution for this term is 'RARE' which is a four letter word. This phrase is used to describe something that is not likely to happen often, if ever.
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