blue moon

/blu mun/
/blu mun/
IPA guide

Other forms: blue moons

Definitions of blue moon
  1. noun
    a long time
    “something that happens once in a blue moon almost never happens”
    see moresee less
    type of:
    age, long time, years
    a prolonged period of time
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Vocabulary lists containing blue moon

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Beware the ides of March, and other obscure time-related words that you only see once in a blue moon. Learn these terms in a fortnight (perhaps less?), and usher in a new era of vocabulary knowledge. Read the full article: Beware the Time-related Vocabulary of March!

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