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  • sonic boom
    sonic boom
    noun
    a loud noise caused by the shock wave generated by an aircraft moving at supersonic speed.
  • boom, sonic
    boom, sonic
    The sharp, explosive sound generated by an airplane traveling at speeds greater than the speed of sound. The sonic boom follows the aircraft much like a wake follows a ship.
Synonyms

sonic boom

American  

noun

  1. a loud noise caused by the shock wave generated by an aircraft moving at supersonic speed.


sonic boom British  

noun

  1. a loud explosive sound caused by the shock wave of an aircraft, etc, travelling at supersonic speed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sonic boom Scientific  
  1. A shock wave of compressed air caused by an aircraft traveling faster than the speed of sound. It is often audible as a loud, explosive sound, and it sometimes causes damage to structures on the ground.


sonic boom 1 Cultural  
boom, sonic 2 Cultural  
  1. The sharp, explosive sound generated by an airplane traveling at speeds greater than the speed of sound. The sonic boom follows the aircraft much like a wake follows a ship.


Etymology

Origin of sonic boom

First recorded in 1950–55

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Witnesses told the BBC it sounded "like a bomb" and compared it to a "sonic boom".

From BBC Jul. 25, 2026

A sonic boom occurs when an aircraft travels faster than the speed of sound, generating shockwaves that rapidly compress and decompress the air, producing an explosive noise.

From BBC Aug. 15, 2025

A loud boom and rattling were reported last month across a broad swath of the region due to a sonic boom from a SpaceX cargo vessel.

From Los Angeles Times Jun. 17, 2025

“Dragon will also announce its arrival with a brief sonic boom prior to splashing down in the Pacific Ocean,” SpaceX posted about an hour before the boom was reported.

From Los Angeles Times May 25, 2025

The telltale sonic boom indicated that the plane had pushed through the volatile transonic region into the state of smoother, all-supersonic flows.

From "Hidden Figures" by Margot Lee Shetterly

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