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.
The month's second full moon, the Blue Moon (which is also a micromoon), takes place May 31. Michele Laufik, Martha Stewart, 27 Apr. 2026 While there is a great deal of activity taking place this week, the most important factor to note will be the Flower Moon, which this year is a full moon in Scorpio. Kyle Thomas, PEOPLE, 26 Apr. 2026 There’ll be another full moon to end the month on the 31st. Mike Lynch, Twin Cities, 26 Apr. 2026 What to avoid around this full moon Impulsive decisions based on emotion. Glamour, 25 Apr. 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

Browse Nearby Words

Cite this Entry

“Full moon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/full%20moon. Accessed 30 Apr. 2026.

Kids Definition

full moon

noun
: the moon with its whole disk lighted
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster