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supersonic

PRIMARY MEANINGS OF: supersonic

1
 adj
(of speed) greater than the speed of sound in a given medium (especially air)
2
 adj
having frequencies above those of audible sound
FULL DEFINITIONS OF: supersonic
1

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

“a supersonic bomber flies so fast that it must release its bombs while the target is still over the horizon”
Antonyms:
sonic, transonic
(of speed) having or caused by speed approximately equal to that of sound in air at sea level
subsonic
(of speed) less than that of sound in a designated medium
show more antonyms...
2

adj having frequencies above those of audible sound

Synonyms:
ultrasonic
inaudible, unhearable
impossible to hear; imperceptible by the ear
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