Phrase guide

lunar month

noun · 4 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

A period from one new moon until the next.

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

A synodic month of approximately 29.53 days, measured from a lunar phase until the return of that same phase.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A sidereal month of approximately 27.32 days, the length of time taken by the moon in its orbit about the Earth to return to the same point as viewed against the background of stars.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the period between successive new moons (29.531 days)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: moon, lunation, synodic month

Antonyms: none provided

Broader terms: month

History

Etymology

No etymology was provided for this word.

Across languages

Translations

13 source translations are retained for this English entry.

  • Burmese: စန္ဒြမာသ (candra.masa.) — a period from one new moon until the next
  • Chinese Mandarin: 太陰月 /太阴月 (tàiyīnyuè) — a period from one new moon until the next
  • Galician: lúa — a period from one new moon until the next
  • Galician: lunación — a period from one new moon until the next
  • Hindi: मास (mās) — a period from one new moon until the next
  • Marshallese: allōn̄ — a period from one new moon until the next
  • Russian: лу́нный ме́сяц (lúnnyj mésjac) — a period from one new moon until the next
  • Russian: лу́нный ме́сяц (lúnnyj mésjac) — a synodic month
  • Russian: синодический ме́сяц (sinodičeskij mésjac) — a synodic month
  • Russian: обы́чный ме́сяц (obýčnyj mésjac) — a synodic month
  • Russian: лу́нный ме́сяц (lúnnyj mésjac) — a sidereal month
  • Russian: сидерический ме́сяц (sideričeskij mésjac) — a sidereal month
  • Russian: звёздный ме́сяц (zvjózdnyj mésjac) — a sidereal month