Meaning & use

supersonic

adjective·Academic

Last updated

UK/ˌsuːpəˈsɒnɪk/
US/ˌsuːpərˈsɑːnɪk/

Meanings

  1. adjectivenot comparable

    Traveling or able to travel faster than the speed of sound.

    Grammar: Used before a noun or after a linking verb: a supersonic jet; the plane is supersonic.

    Patterns

    • supersonic aircraft
    • supersonic speed
    • fly supersonic

    The supersonic jet crossed the Atlantic in under three hours.

    Only military planes are routinely supersonic.

    Engineers are designing a new supersonic airliner.

  2. adjectivenot comparabletechnical

    Relating to speeds greater than that of sound.

    Grammar: Often used in technical phrases like supersonic flow or supersonic boom.

    Patterns

    • supersonic flow
    • supersonic boom

    The wind tunnel can produce supersonic airflow.

    Supersonic conditions create a shock wave around the nose of the craft.

Common combinations

supersonic jet
The supersonic jet left a loud boom behind it.
supersonic speed
The missile travels at supersonic speed.
go supersonic
The pilot waited for clearance to go supersonic.
supersonic flight
Supersonic flight over land is restricted in many countries.

Synonyms and how they differ

hypersonic
Hypersonic means much faster than sound, usually five times the speed of sound or more, so it is not a direct swap for supersonic.
ultrasonic
Ultrasonic describes sound waves above the range of human hearing and does not mean fast movement.

Opposites

Word family

supersonically adverb
In a supersonic way; at a speed faster than sound.

Commonly confused: supersonic or ultrasonic? supersonic or hypersonic?

supersonic vs ultrasonic

Ultrasonic refers to sound frequencies people cannot hear, while supersonic refers to speed faster than sound.

supersonic vs hypersonic

Hypersonic is for speeds of Mach 5 and above; supersonic covers anything above Mach 1.

Practice

The new engine allows the plane to fly at ______ speed, faster than sound.

Make it your own

Write a sentence using “supersonic”, then check it and compare it with the examples above.

Your sentence stays on this page and is not sent anywhere.

Explore more words