Word.ws English Dictionary

big bang

/ˌbɪɡˈbæŋ/

big bang noun: a physical theory that describes how the universe expanded from an infinitely small, hot, and dense point. Also the alternative letter-case form of Big Bang.

Noun

big bang (plural big bangs)

  1. a physical theory that describes how the universe expanded from an infinitely small, hot, and dense point.
    • Many-worlds interpretations of physics suggest that millions of big bangs might be happening as we speak.
  2. A large implementation of a system rather than phased or gradual delivery.
    • They're planning for an upcoming release that promises to be a big bang.

Proper noun capitalized: Big Bang

the Big Bang

  1. The cosmic event that marks the beginning of time and the rapid expansion of space for the visible universe. The evolution of the universe since that beginning point is described by the Big Bang Theory.
    • On scientific grounds this big bang assumption is much less the palatable of the two.1955, Fred Hoyle, chapter 6, in The nature of the universe, page 113
  2. (UK, historical) The sudden deregulation of financial markets effected by prime minister Margaret Thatcher in 1986.

Also used as

big bang is also the alternative letter-case form of Big Bang.

big bang meaning in Hindi

big bang in Hindi

explosion creating a universe
महाविस्फोट mahāvisphoṭ

Forms of big bang

pluralbig bangs

Origin of big bang

See Big Bang.

Coined by English astronomer Fred Hoyle on the BBC Third Programme, broadcast at 18:30 GMT on 28 March 1949. It is a popular but misinformed belief that this was intended as a derogatory term, Hoyle being a proponent of the opposing steady state theory, but Hoyle himself has rejected that notion.

Words formed from big bang

Questions about big bang

What does big bang mean?
Big bang means a physical theory that describes how the universe expanded from an infinitely small, hot, and dense point.
What is big bang in Hindi?
Big bang in Hindi is महाविस्फोट (mahāvisphoṭ). See Big bang meaning in Hindi.
What part of speech is big bang?
Big bang can be a noun or a proper noun.
How do you pronounce big bang?
Big bang is pronounced /ˌbɪɡˈbæŋ/.
What is the plural of big bang?
The plural of big bang is big bangs.

Words near big bang in the dictionary

  1. big bads
  2. big ball of mud
  3. big balls of mud
  4. big band
  5. big bands
  6. big bang
  7. big bang testing
  8. Big Banger
  9. Big Bangers
  10. big bangs
  11. big bat

Source and license

Adapted from Wiktionary: big bang (page history and authors); Big Bang (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.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-big bang.wav, LL-Q1860 (eng)-TranqyPoo-big bang.wav.

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