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unfounded

see definition of unfounded
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Synonyms for unfounded

adj not based on fact
  • baseless
  • deceptive
  • fabricated
  • false
  • gratuitous
  • groundless
  • illogical
  • misleading
  • spurious
  • unjustified
  • unproven
  • unsubstantiated
  • untrue
  • untruthful
  • unwarranted
  • bottomless
  • fallacious
  • foundationless
  • idle
  • mendacious
  • off-base
  • trumped up
  • uncalled-for
  • unreal
  • vain
  • without basis
  • without foundation

Antonyms for unfounded

  • called-for
  • correct
  • genuine
  • honest
  • justified
  • real
  • reasonable
  • right
  • true
  • truthful
  • warranted
  • founded
  • proven
  • substantiated
  • supported
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

fallacious

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