supersonic

1 of 2

adjective

su·​per·​son·​ic ˌsü-pər-ˈsä-nik How to pronounce supersonic (audio)
1
2
: of, being, or relating to speeds from one to five times the speed of sound in air compare sonic
3
: moving, capable of moving, or utilizing air currents moving at supersonic speed
4
: relating to supersonic airplanes or missiles
the supersonic age
supersonically adverb

supersonic

2 of 2

noun

1
: a supersonic wave or frequency
2
: a supersonic airplane

Examples of supersonic in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
This is because the new FRC system allowed the engineers to dump the long quartz tubes at either end of the chamber that were used for plasma creation through supersonic collisions during plasma injection. David Szondy may 10, New Atlas, 10 May 2025 His first-person stories include supersonic rides in eight separate aircraft pulling up to 9 Gs and flying to 84,000 feet; driving a Bugatti at 253 mph and Indy cars at 200 mph; expeditions to the North and South Poles; summiting the Matterhorn and 23,000-ft. Jim Clash, Forbes.com, 30 Apr. 2025
Noun
The cruise missiles and supersonics leap forward as the swarms line up behind. David Szondy, New Atlas, 7 Aug. 2024 The Low Boom Flight Demonstrator Project hopes to revive commercial supersonic by reducing a jet’s sonic boom. Kyle Mizokami, Popular Mechanics, 16 Mar. 2020 See All Example Sentences for supersonic

Word History

Etymology

Adjective

Latin super- + sonus sound — more at sound entry 1

First Known Use

Adjective

1919, in the meaning defined at sense 1

Noun

circa 1924, in the meaning defined at sense 1

Time Traveler
The first known use of supersonic was in 1919

Browse Nearby Words

Cite this Entry

“Supersonic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supersonic. Accessed 17 May. 2025.

Kids Definition

supersonic

adjective
su·​per·​son·​ic
ˌsü-pər-ˈsän-ik
1
2
: of, being, or relating to speeds from one to five times the speed of sound in air
3
: moving, capable of moving, or using air currents moving at supersonic speed
a supersonic airplane
supersonically
-i-k(ə-)lē
adverb

Medical Definition

supersonic

1 of 2 adjective
su·​per·​son·​ic -ˈsän-ik How to pronounce supersonic (audio)
1
2
: of, being, or relating to speeds from one to five times the speed of sound in air compare sonic
3
: moving, capable of moving, or utilizing air currents moving at supersonic speed
4
: relating to supersonic airplanes or missiles
the supersonic age
supersonically adverb

supersonic

2 of 2 noun
1
: a supersonic wave or frequency
2
: a supersonic airplane

More from Merriam-Webster on supersonic

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