full moon

noun

: the moon with its whole apparent disk illuminated

Examples of full moon in a Sentence

Recent Examples on the Web
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Neither one of these people appears to be enjoying themselves, but the woman soon begins to grunt with the bestial upset of a werewolf under a full moon. David Ehrlich, IndieWire, 18 May 2026 What’s Next In The Night Sky On May 30, a nearly full moon — a Blue Moon, the second full moon in May — will rise shortly after sunset, appearing large and orange on the horizon. Jamie Carter, Forbes.com, 18 May 2026 After a storm, the ocean deposits fresh treasures along the shoreline, and during a full moon, stronger currents and lower tides can reveal hidden shells that were once out of reach. Gabi De La Rosa, Southern Living, 17 May 2026 The entire nebula stretches roughly 110 light-years across and spans an area of sky around six times wider than the full moon. Daisy Dobrijevic, Space.com, 15 May 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 21 May. 2026.

Kids Definition

full moon

noun
: the moon with its whole disk lighted
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