Answer: supersonic

AnswerCrossword Clue
SUPERSONICLike some fast planes
SUPERSONICLike the Concorde
SUPERSONICPart of SST
SUPERSONICSeattle hoopster
SUPERSONICDescribing the speed of jets.
SUPERSONICPast the sound barrier.
SUPERSONICTraveling at a great speed.
SUPERSONICMore than 750 mph.
SUPERSONICFaster than sound.
SUPERSONICSeattle basketeer
SUPERSONICFaster than sound
SUPERSONICBoom-causing, perhaps
SUPERSONICGreater than Mach One
SUPERSONICLike some jets
supersonicfaster than the speed of sound
supersonica wave or frequency moving at a speed greater than the speed of sound in air