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.
King tides are exceptionally high and occur during a new or full moon, according to the National Oceanic and Atmospheric Administration. Anna Skinner, MSNBC Newsweek, 8 Oct. 2025 People in the Sagaing Region’s Chaung-U Township in central Myanmar were gathered late Monday as part of a candlelight vigil during the Thadingyut full moon ceremony -- a major religious holiday. Rajeev Tyagi, ABC News, 8 Oct. 2025 An auspicious full moon was out tonight to bless the new Chanel universe. Martino Carrera, Footwear News, 7 Oct. 2025 Supermoons happen when a new moon or a full moon is at its closest to Earth all month, according to NASA. Julia Gomez, USA Today, 7 Oct. 2025 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 10 Oct. 2025.

Kids Definition

full moon

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