supersonic

Definition of Supersonic in English :

1. supersonic

(of speed) greater than the speed of sound in a given medium (especially air)

Example Sentences:
'a supersonic bomber flies so fast that it must release its bombs while the target is still over the horizon'

2. supersonic, ultrasonic

having frequencies above those of audible sound

WordNet Lexical Database for English. Princeton University. 2010.

Supersonic

adjective

being, having, or capable of reaching a speed in excess of the speed of sound

supersonic aircraft

adjective

1.

designating, of, or moving at a speed in a surrounding fluid greater than that of sound in the same fluid

2.

ultrasonic

adj.

1. Having, caused by, or relating to a speed greater than the speed of sound in a given medium, especially air.

2. Of or relating to sound waves with a frequency above the range audible to the human ear; ultrasonic.