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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July is full of celestial occurrences, including a comet, visible planets and a full moon named after an animal. Alexiah Syrai Olsen, Sacbee.com, 7 July 2026 Each image taken by the 3,200-megapixel camera – the largest of its kind in the world – covers an area on the sky as big as 45 full moons, according to astronomers. Eric Lagatta, USA Today, 7 July 2026 The glowing ribbon of the Milky Way tumbles directly through this cosmic triangle before arcing towards the southern horizon, though its diffuse light will be hidden behind a veil of moonlight on the night of the full moon. Anthony Wood, Space.com, 2 July 2026 In 2026, however, the nearly full moon will wash out many fainter meteors, so face away from the moon and be patient — bright fireballs are possible. Jamie Carter, Forbes.com, 1 July 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 14 Jul. 2026.

Kids Definition

full moon

noun
: the moon with its whole disk lighted
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