English adjective: supersonic | |||
1. | supersonic (of speed) greater than the speed of sound in a given medium (especially air) | ||
Samples | A supersonic bomber flies so fast that it must release its bombs while the target is still over the horizon. | ||
Antonyms | sonic, subsonic, transonic | ||
2. | supersonic having frequencies above those of audible sound | ||
Synonyms | ultrasonic | ||
Similar | inaudible, unhearable | ||
Antonyms | audible, hearable | ||