Phrase guide

young moon

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

The phase of the moon when it is waxing, especially before quarter moon.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The moon when it is waxing.

Definition source: English Wiktionary via Wiktextract

Examples

  • Fred Schaaf (1983), Wonders of the Sky: Observing Rainbows, Comets, Eclipses, the Stars and Other Phenomena, page 70: “Thus you can know that it would be impossible to see a young moon at sunset if new moon had occurred just a few hours earlier.”
  • John E. Westfall (2000), Atlas of the Lunar Terminator, page 61: “The young Moon is best observed shortly after a springtime sunset, as is the case here.”
  • Chet Raymo (2005), The Soul of the Night: An Astronomic Pilgrimage, page 26: “There is a legend that Johannes Kepler, the Renaissance astronomer, once saw the old moon one morning and the young moon on the evening of the same day, but the story is hardly credible.”

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Middle English yong mone.