Hypersonic [adjective]
Definition of Hypersonic:
speedy
Synonyms of Hypersonic:
● Rapid
● Agile
● Brisk
● Nimble
● Hot
● Quick
● Swift
● Fleeting
● Electric
● Flying
● Hurried
● Ready
● Dashing
● Snap
● Fleet
● Racing
● Active
● Hasty
● Presto
● Pronto
● Snappy
● Winged
● Flashing
● PDQ
● Like mad
Opposite/Antonyms of Hypersonic:
● Upright
● Good
● Unfixed
● Loose
● Insecure
● Flexible
● Plodding
● Dull
● Slow
● Moral
● Movable
● Tardy
● Boring
● Sluggish
● Clumsy
Sentence/Example of Hypersonic:
In recent weeks, Russia has launched a flurry of missile tests, while Putin boasted Monday of a “cosmic” rate of change in Russia’s advanced weaponry, vowing to stay ahead of rivals in the development of hypersonic and other advanced weapons.
NASA defines “high” hypersonic speed as a “Mach number” from 10 to 25.