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hypersonic

see definition of hypersonic
  • as infast
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Synonyms for hypersonic

adj speedy

Antonyms for hypersonic

  • clumsy
  • slow
  • sluggish
  • boring
  • dull
  • flexible
  • good
  • impermanent
  • insecure
  • loose
  • moral
  • movable
  • plodding
  • tardy
  • unattached
  • unfixed
  • unhurried
  • upright
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

More words related to hypersonic

fast

adjective. speedy

faster

adjective. speedy

fastest

adjective. speedy
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.