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.
Although these events will be big for the whole world, a full moon in your rising sign is nothing to sneeze at. Steph Koyfman, Condé Nast Traveler, 29 Jan. 2026 The snow moon is the second of 13 full moons in 2025. Jamie Carter, Forbes.com, 29 Jan. 2026 When are the rest of the year's full moons, and where do their names originate? Alexis Simmerman, Austin American Statesman, 29 Jan. 2026 The moon's appearance constantly changes as its angle relative to the sun, which causes the line separating night from day — called the terminator — to sweep across its surface, transforming it from a delicate crescent to a spectacular full moon, and back again. Anthony Wood, Space.com, 28 Jan. 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

Cite this Entry

“Full moon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/full%20moon. Accessed 31 Jan. 2026.

Kids Definition

full moon

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