What does "supersonic" mean?

An aircraft that can travel at the speed of sound.

Supersonic

Common synonyms include: acoustic, acoustical, aeronautical equipment, fast aircraft, faster-than-sound, faster-than-sound vehicle.

adj, noun, slang

adj, noun, slang ·4 syllables ·Moderate ·High school level

Noun

Adjective

1
Greater than the speed of sound (in the same medium, and at the same temperature and pressure). not-comparable
"supersonic jet"
2
Ultrasonic, having a frequency too high to be audible. colloquial, not-comparable

Adjective

1
having frequencies above those of audible sound wordnet
2
(of speed) greater than the speed of sound in a given medium (especially air) wordnet

"The airplane is capable of supersonic speeds."

From super- + sonic. Doublet of hypersonic.