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 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 The showers are set to peak after the full moon on July 29, according to the American Meteor Society. Julia Gomez, USA Today, 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 The full moon in Aquarius on the same day brings emotional clarity around friendships, community affairs and our sense of belonging. Valerie Mesa, PEOPLE, 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 6 Jul. 2026.

Kids Definition

full moon

noun
: the moon with its whole disk lighted
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