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ultra-sonic

see definition of ultra-sonic
  • as inspeedy
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Synonyms for ultra-sonic

adj fast, quick

Antonyms for ultra-sonic

  • delayed
  • leisurely
  • slow
  • sluggish
  • halted
  • slowed
  • tardy
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.