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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The hard wet sand of St Ives under a full moon. Literary Hub, 10 June 2026 Misunderstanding the moon is all too common; for dark, moon-free evenings, choose the 10-night period between the last quarter moon and three nights beyond the new moon — and never the five nights either side of the full moon. Jamie Carter, Forbes.com, 6 June 2026 Look to the full moon in Capricorn to clarify priorities. Valerie Mesa, PEOPLE, 5 June 2026 At that time, just over three times the apparent width of the full moon will separate these two planets. Joe Rao, Space.com, 5 June 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 11 Jun. 2026.

Kids Definition

full moon

noun
: the moon with its whole disk lighted
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