H4Y4P3E1R1S1O1N1I1C3A1L1L1Y4
27 points
HYPERSONICALLY is validvalid
in a hypersonic manner [adv]
HYPERSONIC, flying at more than five times the speed of sound [adv]
in a hypersonic manner [adv]
HYPERSONIC, flying at more than five times the speed of sound [adv]