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.
Why This Eclipse Is Special Lunar eclipses occur only during a full moon, when Earth passes directly between the sun and the moon. Jamie Carter, Forbes.com, 13 Aug. 2026 Lunar eclipses occur when the Earth passes between the sun and the full moon. Saleen Martin, USA Today, 12 Aug. 2026 City streetlights or even a bright full moon can outshine them. Tariq Malik, Space.com, 10 Aug. 2026 The full moon is seen over Sydney, Australia, on July 29, 2026. Miles Doran, CBS News, 4 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

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Cite this Entry

“Full moon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/full%20moon. Accessed 17 Aug. 2026.

Kids Definition

full moon

noun
: the moon with its whole disk lighted
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