supersonic

US /ˌsuː.pɚˈsɑː.nɪk/
UK /ˌsuː.pɚˈsɑː.nɪk/
"supersonic" picture
1.

supersonique

involving or denoting a speed greater than that of sound.

:
The new jet can fly at supersonic speeds.
Le nouveau jet peut voler à des vitesses supersoniques.
A loud boom was heard as the aircraft broke the supersonic barrier.
Un grand bruit a été entendu lorsque l'avion a franchi le mur du son.