new moon

noun

1. the moon either when in conjunction with the sun or soon after, being either invisible or visible only as a slender crescent.
2. the phase of the moon at this time.

new moon

noun

1. the moon when it appears as a narrow waxing crescent
2. the time at which this occurs
3. astronomy one of the four principal phases of the moon, occurring when it lies between the earth and the sun

new moon

/ no̅o̅ /

1. The phase of the Moon that occurs when it passes between Earth and the Sun, making it either invisible or visible only as a thin crescent at sunset.
2. See more at moonCompare full moon

Word History and Origins

Origin of new moon¹

before 1000; Middle English; Old English

Example Sentences

No, because the new moon was barely two days old and was still lost below the horizon in the sun’s rays.

From Nautilus

After a new moon, the crescent appears to grow slowly at first.

From FiveThirtyEight

During the new moon, none of the moon is visible and the sky is exceptionally dark.

From Science News For Students

The clear evening affords a chance to the see the sliver of a new moon in the west at dusk.

From Washington Post

That night they invited us to their star-viewing party, a celebration of the new moon.

From MIT Technology Review

The electric lights were sparkling among the trees, and the new moon shone in the sky above the Lethal Chamber.

From The Daily Beast

You might change your mind after watching this hysterical lip-reading of New Moon.

From The Daily Beast

The New Moon in Scorpio, Wednesday, opens fresh avenues for learning.

From The Daily Beast

The New Moon, Wednesday, focuses on finances, as you get in synch with a loved one or partner over shared investments.

From The Daily Beast

This rings most true on the New Moon, Wednesday, when the Sun and Moon oppose Jupiter in Taurus.

From The Daily Beast

And on the day of the new moon a calf of the herd without blemish: and the six lambs, and the rams shall be without blemish.

From Project Gutenberg

It was just at sunset, and there was a new moon in the sky, and the evening star trembled upon the bosom of the waters.

From Project Gutenberg

He said he druther see the new moon over his left shoulder as much as a thousand times than take up a snake-skin in his hand.

From Project Gutenberg

When she is thus in conjunction with the sun, she is called the new moon.

From Project Gutenberg

Is it only at the first appearance of a new moon that the Siren shows herself?

From Project Gutenberg