Letters that make blue moon
o, b, e, l, n, m, u are letters that make 'blue moon'
Words within blue moon
Moon, moo, blue, on, MO, moon, Lu, Mo, mo are words within 'blue moon'
o, b, e, l, n, m, u are letters that make 'blue moon'
Moon, moo, blue, on, MO, moon, Lu, Mo, mo are words within 'blue moon'
1 possible definitions for 'blue moon'
Under this definition, blue moon is a noun and has the following properties:
'blue moon' can be a useage of colloquialism.
"something that happens once in blue moon almost never happens"