- greater than the speed of sound waves through air.
- capable of achieving such speed: a supersonic plane.
Origin of supersonic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for supersonic
The U.S. Navy and Marine Corps also use the supersonic F/A-18 Hornet strike fighter to guide other jets to their targets.Air Force Pilots Say They're Flying Blind Against ISIS
October 10, 2014
Result: a supersonic, pulsating jackhammer of 1,700-degree F exhaust gas.Why Can’t America’s Newest Stealth Jet Land Like It’s Supposed To?
May 26, 2014
In 1994 she redesigned the interiors of the supersonic Concorde for Air France.Andrée Putman, ‘the Grande Dame of Design,’ Revolutionized Interiors
January 20, 2013
A lot of things that look like promises turn out to be mirages - like supersonic passenger aircraft in the 1960s for example.Now the Bad Bits
January 25, 2012
It coughed once, sending a beam of supersonic energy into the bodies of both men.The Penal Cluster
Ivar Jorgensen (AKA Randall Garrett)
During the next two days, events moved with supersonic speed for the Cubs.Dan Carter Cub Scout
Mildred A. Wirt
Lee stared at the apparition which swiftly materialized out of the ground haze at the plane's supersonic speed.The Brain
Flying at supersonic speed, they reached the area of the lost missile in the South Atlantic soon after lunch.Tom Swift and the Electronic Hydrolung
A tiny doll, proportioned like a woman, dashed toward me, shrilling in a supersonic shriek.The Door Through Space
Marion Zimmer Bradley
- being, having, or capable of reaching a speed in excess of the speed of soundsupersonic aircraft
Word Origin and History for supersonic
Online Etymology Dictionary, © 2010 Douglas Harper
- Having, caused by, or relating to a speed greater than the speed of sound in a given medium, especially air.
- Of or relating to sound waves beyond human audibility.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.