Meaning of “supersonic” in the English Dictionary

british dictionary

"supersonic" in British English

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(Definition of “supersonic” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"supersonic" in American English

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supersonicadjective [ not gradable ]

us /ˌsu·pərˈsɑn·ɪk/

faster than the speed of sound, or able to fly faster than sound travels:

a supersonic plane
supersonic speed

(Definition of “supersonic” from the Cambridge Academic Content Dictionary © Cambridge University Press)