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Definitions

new moon

NOUN
crescent
Synonyms
STRONG
bow curve half-moon meniscus sickle
WEAK
concave figure convex figure cresentoid demilune horned moon hornlike lune old moon
NOUN
moon
Synonyms
STRONG
crescent half-moon planetoid pumpkin satellite
WEAK
celestial body full moon heavenly body old moon orb of night quarter-moon

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

With the event coinciding with a new moon for the first time since 2018, you just need to find a dark spot away from city lights and enjoy the display.

From The Wall Street Journal • Mar. 27, 2026

The peak coincides with the new moon so viewing conditions will be ideal with no moonlight pollution.

From BBC • Sep. 12, 2025

Mother Nature put on a particularly spectacular show last year when the peak of the Perseids meteor shower fell on a Saturday with a new moon.

From Los Angeles Times • Aug. 1, 2024

To find out, the group systematically observed the worms' daily activities when there was a new moon.

From Science Daily • Apr. 15, 2024

There was a dim new moon, which he hadn’t seen while he was in the woods, and Jethro watched it dully as home came closer, step by step.

From "Across Five Aprils" by Irene Hunt