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Antonyms for supersonic


Grammar : Adj, noun
Spell : soo-per-son-ik
Phonetic Transcription : ˌsu pərˈsɒn ɪk



Definition of supersonic

Origin :
  • 1919, "of or having to do with sound waves beyond the limit of human hearing," from super- + sonic. Attested from 1934 in sense of "exceeding the speed of sound" (especially as a measure of aircraft speed), leaving the original sense to ultrasonic (1923).
  • As in speedy : adj fast, quick
  • As in swift : adj very fast
  • As in fast : adj speedy
  • As in jet : noun vehicle propelled by ejection of pressurized gas or liquid
Example sentences :
  • It coughed once, sending a beam of supersonic energy into the bodies of both men.
  • Extract from : « The Penal Cluster » by Ivar Jorgensen (AKA Randall Garrett)
  • During the next two days, events moved with supersonic speed for the Cubs.
  • Extract from : « Dan Carter Cub Scout » by Mildred A. Wirt
  • Lee stared at the apparition which swiftly materialized out of the ground haze at the plane's supersonic speed.
  • Extract from : « The Brain » by Alexander Blade
  • Flying at supersonic speed, they reached the area of the lost missile in the South Atlantic soon after lunch.
  • Extract from : « Tom Swift and the Electronic Hydrolung » by Victor Appleton
  • A tiny doll, proportioned like a woman, dashed toward me, shrilling in a supersonic shriek.
  • Extract from : « The Door Through Space » by Marion Zimmer Bradley
  • Instantly he was batted on the nose from above by a paw that moved with supersonic speed.
  • Extract from : « The Electronic Mind Reader » by John Blaine
  • The massive plane flew at supersonic speeds and was equipped with jet lifters for vertical take-off or hovering.
  • Extract from : « Tom Swift and The Visitor from Planet X » by Victor Appleton
  • Gunning the jet motors, he sent the big cargo ship arrowing forward at supersonic velocity.
  • Extract from : « Tom Swift and The Visitor from Planet X » by Victor Appleton
  • A wave of some sort—probably subsonic or supersonic—continuously filled the Vininese atmosphere.
  • Extract from : « The Instant of Now » by Irving E. Cox, Jr.
  • Within a week, they had determined there was indeed a broad range of supersonic frequencies capable of precipitating the dust.
  • Extract from : « The Year When Stardust Fell » by Raymond F. Jones

Synonyms for supersonic

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019