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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.
During totality, the night sky — previously bleached by a full moon’s brightness — will temporarily turn inky black, with the Celestron SkyMaster 15x70 perfect for grabbing great views of the Andromeda Galaxy, the Orion Nebula and the Pleiades open cluster. Jamie Carter, Space.com, 27 Nov. 2025 Known as king tides, these extreme ocean events typically happen around the time of the full moon in December and January but sometimes extend from November to March. Ernie Cowan, San Diego Union-Tribune, 23 Nov. 2025 Meanwhile, the full moon in Gemini brings a wake-up call regarding your daily routines and acts of service. Valerie Mesa, PEOPLE, 21 Nov. 2025 The Farmers' Almanac is known for its weather predictions, astronomy, and full moon and gardening calendars. Julia Gomez, USA Today, 7 Nov. 2025 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

Cite this Entry

“Full moon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/full%20moon. Accessed 29 Nov. 2025.

Kids Definition

full moon

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