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definitive

see definition of definitive
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Synonyms for definitive

adj authoritative
  • actual
  • categorical
  • clear-cut
  • conclusive
  • decisive
  • definite
  • exhaustive
  • precise
  • reliable
  • specific
  • ultimate
  • unambiguous
  • absolute
  • closing
  • complete
  • completing
  • concluding
  • determining
  • downright
  • ending
  • express
  • final
  • finishing
  • flat out
  • last
  • limiting
  • nailed down
  • perfect
  • plain
  • real
  • settling
  • straight out
  • terminal
  • terminating

Antonyms for definitive

  • ambiguous
  • false
  • imprecise
  • indefinite
  • inexact
  • questionable
  • uncertain
  • vague
  • incomplete
  • inconclusive
  • interim
  • temporary
  • unreliable
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

authoritative

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