quasar

UK/ˈkweɪ.zɑː//ˈkweɪ.zɑɹ/

quasar noun: an extragalactic object, starlike in appearance, that is among the most luminous and (putatively) the most distant objects in the universe.

Image: NASA/CXC/A.Siemiginowska(CfA)/J.Bechtold(U.Arizona), Public domain, via Wikimedia Commons

Noun

quasar (plural quasars)

An extragalactic object, starlike in appearance, that is among the most luminous and (putatively) the most distant objects in the universe.

Synonyms:

Q, QSO, quasi-stellar object, quasistellar object, QSR, quasi-stellar radio source, quasistellar radio-source, quasi-stellar radio-source, quasistellar radio source, blue stellar object

quasar meaning in Hindi, Tamil, Tagalog and Arabic

quasar in Hindi

An extragalactic object: कैसर kaisar

quasar in Tamil

விண்மீனையொத்த ரேடியோ மூலம், துடிப்பண்டம்

quasar in Tagalog

An extragalactic object: digtalain

quasar in Arabic

An extragalactic object: نَجْم زَائِف najm zāʔif, شَبِيه اَلنَّجْم šabīh an-najm

More languagesFewer languages

quasar in Malay: kuasar
quasar in Indonesian: kuasar
quasar in Persian: اختروش axtarvaš
quasar in Thai: เควซาร์
quasar in Vietnamese: chuẩn tinh

Synonyms of quasar

Q
QSO
quasi-stellar object
quasistellar object
QSR
quasi-stellar radio source
quasistellar radio-source
quasi-stellar radio-source
quasistellar radio source
blue stellar object

4 more synonymsFewer synonyms

BSO
QSS
quasi-stellar source
quasistellar source

All synonyms of quasar

Forms of quasar

plural	quasars

Origin of quasar

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.

Words formed from quasar

Phrases with quasar

large quasar groups

Words that rhyme with quasar

blazar

Questions about quasar

What does quasar mean?: Quasar means an extragalactic object, starlike in appearance, that is among the most luminous and (putatively) the most distant objects in the universe.
What is quasar in Hindi?: Quasar in Hindi is कैसर (kaisar). See Quasar meaning in Hindi.
What part of speech is quasar?: Quasar is a noun.
How do you pronounce quasar?: Quasar is pronounced /ˈkweɪ.zɑː/ (UK).
What is the plural of quasar?: The plural of quasar is quasars.

Words near quasar in the dictionary

Adapted from Wiktionary: quasar (page history and authors); quasar (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-quasar.ogg.

Cite this entry: “quasar.” Word.ws, https://word.ws/quasar. Based on Wiktionary, CC BY-SA 4.0.