new moon

noun

1
: the moon's phase when it is in conjunction with the sun so that its dark side is toward the earth
also : the thin crescent moon seen shortly after sunset for a few days after the actual occurrence of the new moon phase
2
: the beginning of each Jewish month marked by a special liturgy

Examples of new 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.
Fortunately, a magical new moon in your name arrives on June 25, offering you an invitation for a brand-new beginning in love. Valerie Mesa, People.com, 6 June 2025 The next new moon is Tuesday, May 26 (the day after Memorial Day), according to the website TimeAndDate. Eric Lagatta, USA Today, 23 May 2025 Where the May new moon could cause trouble The negative effects of this new moon are that so much is happening in the mind. Danijela Pilic, Glamour, 27 May 2025 Only published last week, the image is the first one ever of a new moon aside from during a total solar eclipse. Jamie Carter, Forbes.com, 27 May 2025 See All Example Sentences for new moon

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of new moon was before the 12th century

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Cite this Entry

“New moon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/new%20moon. Accessed 14 Jun. 2025.

Kids Definition

new moon

noun
: the moon's phase when its dark side is toward the earth
also : the thin curved outline of the moon seen shortly after sunset for a few days after the actual occurrence of the new moon phase

More from Merriam-Webster on new moon

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