Standard Lemma guide

lunar

adj · noun · 10 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈl(j)uːnə/
  • General-American: lo͞o'nər
  • General-American: /ˈlunɚ/
  • General-American: Recorded audio is listed in the source snapshot.
  • rhymes with -uːnə(ɹ)
  • CMU ARPABET: L UW1 N ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Of, pertaining to, or resembling the Moon (that is, Luna, the Earth's moon).

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • lunar observations a lunar eclipse

Meaning relationships

Synonyms: lunarlike, lunary, moonish, moonlike, moonly, moony, selenian, selenic

Antonyms: none provided

2

adj

Meaning 2

Shaped like a crescent moon; lunate.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Extremely high.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

(Believed to be) influenced by the Moon, as in character, growth, or properties.

Definition source: English Wiktionary via Wiktextract

Usage: historical, not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adj

Meaning 5

Of or pertaining to silver (which was symbolically associated with the Moon by alchemists).

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable, obsolete

Topics: alchemy, chemistry, natural-sciences, physical-sciences, pseudoscience

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

adj

Meaning 6

Of or pertaining to travel through space between the Earth and the Moon, or exploration and scientific investigation of the Moon.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

adj

Meaning 7

Alternative letter-case form of lunar (“pertaining to Luna, the moon of Terra”).

Definition source: English Wiktionary via Wiktextract

Usage: alt-of

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

The middle bone of the proximal series of the carpus in the wrist, which is shaped like a half-moon.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: intermedium, lunar bone, semilunar

Antonyms: none provided

9

noun

Meaning 9

An observation of a lunar distance (“the angle between the Moon and another celestial body”), especially for establishing the longitude of a ship at sea.

Definition source: English Wiktionary via Wiktextract

Qualifier: navigation

Topics: nautical, transport

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

adjective

Meaning 10

of or relating to or associated with the moon

Definition source: Princeton WordNet 3.0

Examples

  • lunar surface
  • lunar module

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Middle English lunar (“shaped like the crescent moon”), from Latin lūnāris (“of or pertaining to the moon, lunar”) (possibly through Middle French lunaire (modern French lunaire (“lunar”)), from lūna (“the Moon; crescent shape”) (ultimately from Proto-Indo-European *lewk- (“bright; to shine”)) + -is (suffix forming adjectives).

Equivalent to Luna + -ar.

Across languages

Translations

71 source translations are retained for this English entry.

  • Arabic: قَمَرِيّ (qamariyy) — of, pertaining to, or resembling the Moon
  • Arabic: قمري (qamri) — of, pertaining to, or resembling the Moon
  • Asturian: llunar — of, pertaining to, or resembling the Moon
  • Belarusian: месяцо́вы (mjesjacóvy) — of, pertaining to, or resembling the Moon
  • Bengali: চান্দ্র (candro) — of, pertaining to, or resembling the Moon
  • Bengali: মাহতাবি (mahtabi) — of, pertaining to, or resembling the Moon
  • Bulgarian: лу́нен (lúnen) — of, pertaining to, or resembling the Moon
  • Catalan: lunar — of, pertaining to, or resembling the Moon
  • Czech: lunární — of, pertaining to, or resembling the Moon
  • Czech: měsíční — of, pertaining to, or resembling the Moon
  • Dutch: lunair — of, pertaining to, or resembling the Moon
  • Esperanto: luna — of, pertaining to, or resembling the Moon
  • Finnish: kuu- — of, pertaining to, or resembling the Moon
  • Finnish: lunaarinen — of, pertaining to, or resembling the Moon
  • French: lunaire — of, pertaining to, or resembling the Moon
  • French: sélénite — of, pertaining to, or resembling the Moon
  • Galician: lunar — of, pertaining to, or resembling the Moon
  • German: lunar — of, pertaining to, or resembling the Moon
  • Greek: σεληνιακός (seliniakós) — of, pertaining to, or resembling the Moon
  • Ancient Greek: σεληνῐᾰκός (selēnĭăkós) — of, pertaining to, or resembling the Moon
  • Hebrew: יְרֵחִי (y'rekhi) — of, pertaining to, or resembling the Moon
  • Hindi: चंद्र (candra) — of, pertaining to, or resembling the Moon
  • Hungarian: hold- — of, pertaining to, or resembling the Moon
  • Ido: lunala — of, pertaining to, or resembling the Moon
  • Irish: éascaí — of, pertaining to, or resembling the Moon
  • Old Irish: éscaide — of, pertaining to, or resembling the Moon
  • Italian: lunare — of, pertaining to, or resembling the Moon
  • Central Kurdish: مانگی (mangî) — of, pertaining to, or resembling the Moon
  • Central Kurdish: ھەیڤی (heyvî) — of, pertaining to, or resembling the Moon
  • Latin: lūnāris — of, pertaining to, or resembling the Moon
  • Macedonian: месечев (mesečev) — of, pertaining to, or resembling the Moon
  • Macedonian: месечински (mesečinski) — of, pertaining to, or resembling the Moon
  • Malay: bulan — of, pertaining to, or resembling the Moon
  • Malay: cendera — of, pertaining to, or resembling the Moon
  • Malay: kebulanan — of, pertaining to, or resembling the Moon
  • Malay: qamari — of, pertaining to, or resembling the Moon
  • Maltese: qamri — of, pertaining to, or resembling the Moon
  • Manx: eayst — of, pertaining to, or resembling the Moon
  • Norman: leunaithe — of, pertaining to, or resembling the Moon
  • Old English: mōnlīċ — of, pertaining to, or resembling the Moon
  • Iranian Persian: قَمَری (ġamari) — of, pertaining to, or resembling the Moon
  • Iranian Persian: مَهْشیدی (mahšidi) — of, pertaining to, or resembling the Moon
  • Polish: księżycowy — of, pertaining to, or resembling the Moon
  • Polish: miesięczny — of, pertaining to, or resembling the Moon
  • Polish: lunarny — of, pertaining to, or resembling the Moon
  • Portuguese: lunar — of, pertaining to, or resembling the Moon
  • Romanian: lunar — of, pertaining to, or resembling the Moon
  • Russian: лу́нный (lúnnyj) — of, pertaining to, or resembling the Moon
  • Sanskrit: चान्द्र (cāndra) — of, pertaining to, or resembling the Moon
  • Serbo-Croatian: лу̀на̄ран — of, pertaining to, or resembling the Moon
  • Serbo-Croatian: lùnāran — of, pertaining to, or resembling the Moon
  • Slovak: lunárny — of, pertaining to, or resembling the Moon
  • Slovak: mesačný — of, pertaining to, or resembling the Moon
  • Slovene: lunȃren — of, pertaining to, or resembling the Moon
  • Spanish: lunar — of, pertaining to, or resembling the Moon
  • Telugu: చంద్ర (candra) — of, pertaining to, or resembling the Moon
  • Telugu: రాజ (rāja) — of, pertaining to, or resembling the Moon
  • Telugu: సౌమ్యము (saumyamu) — of, pertaining to, or resembling the Moon
  • Ukrainian: мі́сячний (mísjačnyj) — of, pertaining to, or resembling the Moon
  • Ukrainian: місяце́вий (misjacévyj) — of, pertaining to, or resembling the Moon
  • Veps: kudmaine — of, pertaining to, or resembling the Moon
  • Welsh: lleuadol — of, pertaining to, or resembling the Moon
  • Zazaki: aşmani — of, pertaining to, or resembling the Moon
  • Zazaki: qemeri — of, pertaining to, or resembling the Moon
  • Finnish: lunaarinen — (believed to be) influenced by the Moon or the moon of another planet
  • Welsh: lleuadol — (believed to be) influenced by the Moon or the moon of another planet
  • Welsh: lloerig — (believed to be) influenced by the Moon or the moon of another planet
  • Finnish: kuunsirpin muotoinen — shaped like a crescent moon
  • Finnish: hopea- — of or pertaining to silver
  • Finnish: kuu- — of or pertaining to silver
  • Finnish: kuu- — of or pertaining to travel though space between the Earth and the Moon, or exploration and scientific investigation of the Moon
Real reading context

lunar in complete knowledge articles