Definition for Unfounded:

• without a basis in reason or fact; " baseless gossip"; " the allegations proved groundless"; " idle fears"; " unfounded suspicions"; " unwarranted jealousy"

Synonyms for Unfounded:

• adj.

  •baseless (adjective)
  • Foundationless,
  • ungrounded,
  • unsupported,
  • uncorroborated,
  • unconfirmed.
  •erroneous (adjective)
  • flawed.
  •false (adjective)
  • untruthful,
  • contrary to fact,
  • mendacious.
  •not based on fact (adjective)
  • unsubstantiated,
  • spurious,
  • Foundationless,
  • misleading,
  • vain,
  • unjustified,
  • groundless,
  • illogical,
  • false,
  • deceptive,
  • untruthful,
  • without basis,
  • gratuitous,
  • untrue,
  • unproven,
  • idle,
  • mendacious,
  • bottomless,
  • fabricated,
  • uncalled-for,
  • unreal,
  • fallacious,
  • unwarranted,
  • baseless.
  •unwarranted (adjective)
  • unjustifiable,
  • unwarrantable,
  • unwarranted.

• n.

  •
  • seemingly,
  • supposed,
  • anecdotal,
  • speculative,
  • apparently,
  • alleged,
  • doubtful,
  • allegedly.
  •
  • bottomless.
  •baseless (noun)
  • untrue,
  • unproven.
  •unfounded (noun)
  • unsupported,
  • unwarranted,
  • groundless,
  • idle,
  • baseless.

• Other synonyms:

  •
  • seemingly,
  • alleged,
  • fallacious,
  • misguided,
  • unconfirmed,
  • ill-founded,
  • specious,
  • impressionistic,
  • reputed,
  • putative,
  • anecdotal,
  • inconclusive,
  • seeming,
  • misleading,
  • rumored,
  • supposed,
  • apparently,
  • debatable,
  • outwardly,
  • uncorroborated,
  • ostensible,
  • unscientific,
  • unproven,
  • factitious,
  • Misconceived,
  • purported,
  • implausible,
  • allegedly.
  •
  • subjective,
  • spurious,
  • lame,
  • false,
  • illogical,
  • superstitious,
  • bottomless,
  • unlikely,
  • previous.
  •
  • surface,
  • theoretical,
  • intuitive.
  •
  • invalid.
  •Other relevant words:
  • unsupportable,
  • soi-disant,
  • phantasmagoric,
  • spectral,
  • barbarian,
  • fictive,
  • theoretical,
  • illusive,
  • chimeric,
  • seemingly,
  • gaga,
  • cold,
  • loose,
  • violent,
  • raging,
  • misreported,
  • misstated,
  • unjustified,
  • illusionary,
  • tempestuous,
  • unproven,
  • Unsustained,
  • bottomless,
  • light,
  • flawed,
  • fair,
  • void,
  • risky,
  • unfixed,
  • impressionistic,
  • reputed,
  • fabricated,
  • fantastic,
  • illogic,
  • empty,
  • delusory,
  • unproved,
  • misleading,
  • indecisive,
  • Elusory,
  • insupportable,
  • hollow,
  • invalid,
  • hypothetical,
  • subjective,
  • imaginary,
  • Foundationless,
  • Unascertained,
  • outwardly,
  • garbled,
  • godforsaken,
  • Misconceived,
  • delusive,
  • wanton,
  • unsubstantiated,
  • phony,
  • ungrounded,
  • inauthentic,
  • unused,
  • ben trovato,
  • illusional,
  • factitious,
  • unreliable,
  • defective,
  • delusionary,
  • indifferent,
  • autistic,
  • unlikely,
  • undemonstrated,
  • in error,
  • inconclusive,
  • supposititious,
  • illogical,
  • causeless,
  • lame,
  • misguided,
  • worthless,
  • barbaric,
  • unsolicited,
  • supposed,
  • flimsy,
  • indefensible,
  • mistaken,
  • unreasonable,
  • superstitious,
  • previous,
  • untamed,
  • untrue,
  • ostensible,
  • unconfirmed,
  • unwelcome,
  • unsettled,
  • apparently,
  • specious,
  • airy,
  • uncertified,
  • Unauthoritative,
  • wild,
  • unmaintainable,
  • unjustifiable,
  • untried,
  • debatable,
  • allegedly,
  • implausible,
  • fabulous,
  • unsustainable,
  • forged,
  • unprovoked,
  • invented,
  • furious,
  • self-deceptive,
  • jobless,
  • unestablished,
  • untenable,
  • intuitive,
  • senseless,
  • unscientific,
  • unreal,
  • cold weather,
  • apparitional,
  • false,
  • alleged,
  • fantastical,
  • speculative,
  • gratuitous,
  • unsound,
  • waste,
  • without basis,
  • dreamy,
  • deceptive,
  • vain,
  • dotty,
  • faulty,
  • uncalled-for,
  • nonvalid,
  • unactual,
  • dreamlike,
  • untested,
  • visionary,
  • untruthful,
  • apparent,
  • anecdotal,
  • crazy,
  • unsubstantial,
  • ironical,
  • weak,
  • Truthless,
  • contrary to fact,
  • misnamed,
  • illusory,
  • uncivilised,
  • unattested,
  • out of work,
  • uncivilized,
  • phantasmal,
  • rumored,
  • delusional,
  • dispassionate,
  • needless,
  • savage,
  • putative,
  • phantom,
  • spurious,
  • dead,
  • dishonest,
  • erroneous,
  • sophistic,
  • unlooked-for,
  • angry,
  • uncorroborated,
  • counterfeit,
  • chimerical,
  • purported,
  • hazardous,
  • Unreasoned,
  • surface,
  • unwarrantable,
  • unrequested,
  • unauthenticated,
  • not following,
  • fictitious,
  • seeming,
  • tenuous,
  • surreptitious,
  • wrong,
  • irrational,
  • misquoted,
  • unverified,
  • fallacious,
  • suppositional,
  • undetermined,
  • doubtful,
  • undue,
  • unauthentic,
  • mendacious,
  • ill-founded.

Antonyms for Unfounded:

• adj.

  • not based on fact
    supported, proven, reasonable, right, substantiated, honest, called-for, justified, correct, real, warranted, genuine, founded, true, truthful.
  • Other antonyms:
    substantiated, wise, logical, true, clear, certain, sound, verified, certified, sane, genuine, well-grounded, corroborated, informed, sure, sensible, real, actual, plausible, validated, confirmed, credible.