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Supersonic

adjective

/ˌsuː.pəˈsɒn.ɪk/

Meaning

faster than the speed of sound; relating to speeds greater than the speed of sound

The supersonic jet broke the sound barrier.

ultra-fast, hypersonic, high-speed

subsonic, slow, sluggish

supersonic speed, supersonic aircraft, supersonic flight

Achieving maximum productivity with minimum wasted effort or expense.

foolish; lacking good sense or judgement

Based on assumption rather than fact; not genuine or authentic.

extremely tasty or delicious

capable of being understood or grasped

rich, abundant, and luxurious, especially referring to vegetation