Idioms & Slang
Once in a blue moon
wʌns ɪn ə bluː muːn
idiomWhat does Once in a blue moon mean?
Very rarely.
Example sentence
"We eat out once in a blue moon."
American usage tip
A blue moon = rare second full moon in a month.
Idioms & Slang
wʌns ɪn ə bluː muːn
idiomVery rarely.
"We eat out once in a blue moon."
A blue moon = rare second full moon in a month.