full moon

noun

: the moon with its whole apparent disk illuminated

Examples of full moon in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
October’s full moon follows the harvest moon, the full moon that follows the autumnal equinox. — Karlee Van De Venter, Idaho Statesman, 6 Oct. 2026 His unblinking gaze, as knowing as the full moon on a humid night, would haunt Shawn for years to come. — Rachel Heng, New Yorker, 4 Oct. 2026 The gravitational pull of both the Moon and the Sun combine around a full moon to make the tides larger. — Brian Tang, The Conversation, 30 Sep. 2026 California closed out September with the harvest moon, the full moon that is closest to the autumnal equinox. — Alexiah Syrai Olsen, Sacbee.com, 30 Sep. 2026 See All Example Sentences for full moon

Word History

First Known Use

before the 12th century, in the meaning defined above

Time Traveler
The first known use of full moon was before the 12th century

Rhymes for full moon

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Browse Nearby Words

full monty
full moon
full-moon maple
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Cite this Entry

“Full moon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/full%20moon. Accessed 14 Oct. 2026.

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Kids Definition

full moon

noun
: the moon with its whole disk lighted
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