supersonically

/ˌsupərˈsɑnɪkli/
adverb
  1. At a speed faster than the speed of sound.
    • The spacecraft traveled supersonically as it re-entered the Earth's atmosphere.
    • Scientists are studying how materials behave when moving supersonically through the air.
    • The fighter jet flew supersonically over the desert, leaving a trail of vapor.
  2. Extremely quickly; at a very high speed (often used figuratively).
    • He typed supersonically, finishing the report in record time.
    • The news spread supersonically through the school after the announcement.
    • The stock price rose supersonically after the company announced its new product.
Antonyms
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