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What is another word for once in a blue moon?

55 synonyms found

Pronunciation:

[w_ˈɒ_n_s ɪ_n ɐ b_l_ˈuː m_ˈuː_n], [wˈɒns ɪn ɐ blˈuː mˈuːn], [wˈɒns ɪn ɐ blˈuː mˈuːn]

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Similar words for once in a blue moon:
Opposite words for once in a blue moon:
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