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Once in a Blue Moon

What Does "Once in a Blue Moon" Mean?

homeidiomsOnce in a Blue Moon
"Once in a blue moon" is an English idiom, referring to something that occurs very rarely or infrequently, not often encountered.

Examples in Sentences

Here are three examples of the idiom "once in a blue moon" used in a sentence:
  • She visits her hometown once in a blue moon, usually during major holidays.
  • Finding such a rare book is like a once-in-a-blue-moon opportunity for collectors.
  • They hold a family reunion once in a blue moon due to everyone's busy schedules.
meaning for once in a blue moon

What Is an Idiom?

An idiom is a commonly used expression whose meaning does not relate to the literal meaning of its words. In other words, if you were to translate "Once in a Blue Moon" word for word, there is no guarantee the translation would help you to understand the meaning.

An idiom often includes a cultural or historical context that makes it difficult for non-native English speakers to understand. A phrase is classified as an idiom when a direct translation of the words does not reveal the meaning. Most idioms rely on shared knowledge or experiences known only to a specific community.

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