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

Always coinciding with a new moon, the five-day-long festival brings together prayers, food, and fireworks, often taking days to weeks to prepare for. —Prinita Thevarajah, Architectural Digest, 31 Oct. 2024

Use this new moon as an opportunity to connect to and understand your boo. —Lisa Stardust, refinery29.com, 30 Oct. 2024

The first solar eclipse since April 8's total solar eclipse across North America saw as much as 93% of the sun’s center blocked by a new moon to create a beautiful ring shape for a few momentous minutes. —Jamie Carter, Forbes, 2 Oct. 2024

The Magician: October opens with a new moon solar eclipse in your seventh house of relationships. —Meghan Rose, Glamour, 1 Oct. 2024

Word History

First Known Use

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

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