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Definition of supersonic

supersonic

/ˌsuːpɚˈsɑːnɪk/
su · per · son · ic

Adverb:supersonically
•
Plural:supersonics
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supersonic Lexical Profile

supersonic Game Scores & Validity

• adjective

1

Involving, designating, or capable of traveling at a speed greater than the speed of sound in a given medium, especially air.

Example

"The aerospace engineers tested the new supersonic passenger jet in a specialized wind tunnel."


2

(Dated) Of or relating to sound waves with a frequency above the upper limit of human hearing; ultrasonic.

Example

"Early twentieth-century physics papers often referred to high-frequency acoustic vibrations as supersonic waves."

Synonyms
View all synonyms for supersonic

• noun

1

An aircraft or other vehicle capable of traveling at a speed greater than the speed of sound.

Example

"Commercial supersonics were largely retired from service due to high fuel costs and noise regulations."

Word Nuance & Usage

'Supersonic' specifically refers to speeds faster than sound, whereas 'ultrasonic' refers to sound waves with frequencies above the upper limit of human hearing.

• Rhymes for supersonic

Word Origin & Etymology

Coined in the early 20th century from the prefix 'super-' (from Latin super, meaning 'above' or 'beyond') and 'sonic' (from Latin sonus, meaning 'sound'). It originally referred to high-frequency sound waves before 'ultrasonic' took over that sense, leaving 'supersonic' to describe speeds exceeding the speed of sound.

Cite this Entry


Wordmom. (2026). Definition of Supersonic. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/supersonic
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