View synonyms for

blue moon

[bloo moon]

Phonetic (Standard)IPA

noun

a second full moon in a month, occurring every two to three years as a result of the discrepancy between a lunar year and a solar year.
(formerly) the third full moon in a season with four full moons instead of the usual three.
a long, indeterminate stretch of time, as between occurrences of a rare event or phenomenon.
an uncommon phenomenon in which the moon appears to have a blue tinge because of the filtering effect of smoke or dust particles in the atmosphere.

blue moon

Discover More

First recorded in 1815–25

Discover More

Examples have not been reviewed.

Wright: Every blue moon, they would be in a good mood.

From

Once in a blue moon, a person is willing to do the hard internal work that leads to real, sustainable change.

From

It is also a blue moon but those hoping to see a bluish shade to the satellite are out of luck.

From

Every once in a blue moon, our youngest daughter Amma has a Sunday soccer game; in that case, you’ll find me on the sidelines at her game.

From

The full moon Aug. 19 will be both a supermoon and a blue moon.

From

Browse