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
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.
UK:/ˈkweɪ.zɑː/
US:/ˈkweɪ.zɑɹ/
US:Recorded audio is listed in the source snapshot.
rhymes with -eɪzɑː(ɹ)
CMU ARPABET:K W EY1 Z AA0 R
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
An extragalactic object, starlike in appearance, that is among the most luminous and (putatively) the most distant objects in the universe.
Definition source: English Wiktionary via Wiktextract
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
a starlike object that may send out radio waves and other forms of energy; many have large red shifts
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: quasi-stellar radio source
Antonyms: none provided
Broader terms: celestial body, heavenly body
History
Etymology
Blend of quasi- + stellar, from quasi-stellar radio source. Coined by American astrophysicist Hong-Yee Chiu in 1964 in an article in Physics Today. By surface analysis, quasi- + -ar.
Across languages
Translations
53 source translations are retained for this English entry.
Arabic:
نَجْم زَائِف
(najm zāʔif)
— An extragalactic object
Arabic:
شَبِيه اَلنَّجْم
(šabīh an-najm)
— An extragalactic object
Arabic:
كوازار
(kwazār)
— An extragalactic object
Arabic:
شبيه نجم
(šēbh negm)
— An extragalactic object
Armenian:
քվազար
(kʻvazar)
— An extragalactic object
Basque:
quasar
— An extragalactic object
Belarusian:
кваза́р
(kvazár)
— An extragalactic object
Bulgarian:
кваза́р
(kvazár)
— An extragalactic object
Catalan:
quàsar
— An extragalactic object
Chinese Mandarin:
類星體 /类星体
(lèixīngtǐ)
— An extragalactic object
Chinese Mandarin:
似星體 /似星体
(sìxīngtǐ)
— An extragalactic object
Czech:
kvazar
— An extragalactic object
Czech:
kvasar
— An extragalactic object
Danish:
kvasar
— An extragalactic object
Esperanto:
kvazaro
— An extragalactic object
Finnish:
kvasaari
— An extragalactic object
French:
quasar
— An extragalactic object
West-Frisian:
kwasar
— An extragalactic object
Galician:
quásar
— An extragalactic object
Georgian:
კვაზარი
(ḳvazari)
— An extragalactic object
German:
Quasar
— An extragalactic object
Greek:
κβάζαρ
(kvázar)
— An extragalactic object
Hebrew:
קוואזר
— An extragalactic object
Hindi:
कैसर
(kaisar)
— An extragalactic object
Icelandic:
dulstirni
— An extragalactic object
Icelandic:
kvasi
— An extragalactic object
Ido:
quazaro
— An extragalactic object
Indonesian:
kuasar
— An extragalactic object
Irish:
cuasár
— An extragalactic object
Italian:
quasar
— An extragalactic object
Japanese:
クエーサー
(kuēsā)
— An extragalactic object
Japanese:
準星
(junsei)
— An extragalactic object
Korean:
퀘이사
(kweisa)
— An extragalactic object
Korean:
준성
(junseong)
— An extragalactic object
Malay:
kuasar
— An extragalactic object
Norwegian:
kvasar
— An extragalactic object
Persian:
اختروش
(axtarvaš)
— An extragalactic object
Polish:
kwazar
— An extragalactic object
Portuguese:
quasar
— An extragalactic object
Russian:
кваза́р
(kvazár)
— An extragalactic object
Scottish Gaelic:
cuasar
— An extragalactic object
Serbo-Croatian:
квазар
— An extragalactic object
Serbo-Croatian:
kvazar
— An extragalactic object
Sicilian:
quasar
— An extragalactic object
Slovene:
kvazar
— An extragalactic object
Spanish:
cuásar
— An extragalactic object
Spanish:
quasar (kuéisar)
— An extragalactic object
Swedish:
kvasar
— An extragalactic object
Tagalog:
digtalain
— An extragalactic object
Thai:
เควซาร์
— An extragalactic object
Turkish:
kuasar
— An extragalactic object
Ukrainian:
кваза́р
(kvazár)
— An extragalactic object
