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.
Observing tips The August full moon presents a rare opportunity to see the orbital mechanics of the solar system laid bare, as Earth's shadow rolls across the lunar disk, highlighting the motion of the solar system at a truly magnificent scale. — Anthony Wood, Space.com, 4 Aug. 2026 The full moon is seen over Sydney, Australia, on July 29, 2026. — Miles Doran, CBS News, 4 Aug. 2026 For many participants, the full moon represents rebirth, balance, and completion. — Denis Akbari, USA Today, 3 Aug. 2026 The short summer nights, combined with this week’s full moon, may also make faint aurora harder to see, with a faint display likely only be visible to those who photograph the northern lights with a phone. — Jamie Carter, Forbes.com, 2 Aug. 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 11 Aug. 2026.

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Kids Definition

full moon

noun
: the moon with its whole disk lighted
Last Updated: - Updated example sentences
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