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View definitions for once in a blue moon

once in a blue moon

adverb as in sporadically

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On this page you'll find 192 synonyms, antonyms, and words related to once in a blue moon, such as: barely, comparatively, practically, rarely, seldom, and simply.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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