Once in a blue moon
[wʌns ɪn ə bluː muːn]
phrase
LanguageEnglish (United Kingdom)
Meaning- Happening very rarely
Pronunciationwʌns ɪn ə bluː muːn
How it is usedUse to describe an event that almost never happens.
Status: AI-checked — awaiting native speaker review
This entry was checked automatically. A native speaker has not reviewed it yet. Native speakers can verify or correct it in the LanguageKnow app.