Past Tenses
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un-founded synonyms

Trying to find another word for un-founded in English? No problem. Our thesaurus contains synonyms of un-founded in 34 different contexts. We have listed all the similar and related words for un-founded alphabetically.

  • bottomless
  • flimsy
  • foundationless
  • gratuitous
  • groundless
  • reasonless
  • unconfirmed
  • uncorroborated
  • unfounded
  • ungrounded
  • unjustifiable
  • boundless
  • deep
  • endless
  • far down
  • immeasurable
  • infinite
  • unending
  • unfathomable
  • unlimited
  • vast
  • ambiguous
  • astucious
  • beguiling
  • bum
  • catchy
  • crafty
  • cunning
  • deceitful
  • deceiving
  • deluding
  • delusive
  • beguiling
  • deceiving
  • deceptive
  • deluding
  • delusive
  • delusory
  • erroneous
  • fictitious
  • fishy
  • fraudulent
  • illogical
  • apocryphal
  • beguiling
  • bogus
  • casuistic
  • concocted
  • contrary to fact
  • cooked-up
  • counterfactual
  • deceitful
  • deceiving
  • delusive
  • bottomless
  • flimsy
  • gratuitous
  • groundless
  • reasonless
  • unconfirmed
  • uncorroborated
  • unfounded
  • ungrounded
  • unjustifiable
  • unjustified
  • chargeless
  • complimentary
  • costless
  • for nothing
  • gratis
  • spontaneous
  • unasked-for
  • unpaid
  • voluntary
  • willing
  • baseless
  • bottomless
  • causeless
  • chimerical
  • empty
  • false
  • flimsy
  • foundationless
  • gratuitous
  • idle
  • illogical
  • abortive
  • bootless
  • empty
  • frivolous
  • fruitless
  • futile
  • groundless
  • hollow
  • insignificant
  • irrelevant
  • not serious
  • absurd
  • casuistic
  • cockeyed
  • fallacious
  • false
  • fatuous
  • faulty
  • groundless
  • hollow
  • implausible
  • inconclusive
  • deceitful
  • deceptive
  • duplicitous
  • equivocating
  • erroneous
  • fallacious
  • false
  • fibbing
  • fraudulent
  • insincere
  • lying
  • ambiguous
  • beguiling
  • bewildering
  • casuistical
  • catchy
  • confounding
  • deceitful
  • deceiving
  • deluding
  • delusive
  • delusory
  • abnormal
  • atypical
  • bizarre
  • deviant
  • different
  • flaky
  • mental
  • nonstandard
  • odd
  • off-color
  • out of line
  • affected
  • apocryphal
  • artificial
  • assumed
  • bastard
  • bent
  • bogus
  • bum
  • contrived
  • deceitful
  • deceptive
  • bogus
  • concocted
  • cooked up
  • cooked-up
  • deceitful
  • devised
  • dishonest
  • fabricated
  • fake
  • false
  • falsified
  • accidental
  • avoidable
  • fortuitous
  • futile
  • inappropriate
  • inessential
  • needless
  • nonessential
  • not required
  • optional
  • unessential
  • gratuitous
  • iniquitous
  • injudicious
  • insulting
  • needless
  • uncalled for
  • unwarranted
  • ambiguous
  • apocryphal
  • arguable
  • contingent
  • controversial
  • controvertible
  • cryptic
  • debatable
  • disputable
  • dubious
  • dubitable
  • aerial
  • artificial
  • chimerical
  • delusive
  • dreamlike
  • fabled
  • fabulous
  • false
  • fanciful
  • fictitious
  • fictive
  • arguable
  • controversial
  • debatable
  • disputable
  • doubtful
  • dubious
  • dubitable
  • fishy
  • hard to believe
  • iffy
  • indefinite
  • apocryphal
  • cheating
  • counterfactual
  • deceitful
  • deceptive
  • delusive
  • deviant
  • disloyal
  • dissembling
  • distorted
  • erroneous
  • bluffing
  • cheating
  • corrupt
  • crooked
  • deceitful
  • deceiving
  • deceptive
  • disreputable
  • double-crossing
  • double-dealing
  • false
  • baseless
  • bottomless
  • foundationless
  • gratuitous
  • groundless
  • indefensible
  • inexcusable
  • uncalled-for
  • unconscionable
  • undue
  • unfair
  • arrogant
  • big-headed
  • boastful
  • cocky
  • conceited
  • egocentric
  • egoistic
  • haughty
  • high-and-mighty
  • inflated
  • narcissistic
  • absurd
  • casuistic
  • cockeyed
  • fallacious
  • false
  • fatuous
  • faulty
  • groundless
  • hollow
  • implausible
  • inconclusive
  • absurd
  • casuistic
  • cockeyed
  • fallacious
  • false
  • fatuous
  • faulty
  • groundless
  • hollow
  • implausible
  • inconclusive
  • absurd
  • casuistic
  • cockeyed
  • fallacious
  • false
  • fatuous
  • faulty
  • groundless
  • hollow
  • implausible
  • inconclusive
  • absurd
  • casuistic
  • cockeyed
  • fallacious
  • false
  • fatuous
  • faulty
  • groundless
  • hollow
  • implausible
  • inconclusive
  • absurd
  • casuistic
  • cockeyed
  • fallacious
  • false
  • fatuous
  • faulty
  • groundless
  • hollow
  • implausible
  • inconclusive
  • absurd
  • casuistic
  • cockeyed
  • fallacious
  • false
  • fatuous
  • faulty
  • groundless
  • hollow
  • implausible
  • inconclusive
  • absurd
  • casuistic
  • cockeyed
  • fallacious
  • false
  • fatuous
  • faulty
  • groundless
  • hollow
  • implausible
  • inconclusive
  • absurd
  • casuistic
  • cockeyed
  • fallacious
  • false
  • fatuous
  • faulty
  • groundless
  • hollow
  • implausible
  • inconclusive
  • absurd
  • casuistic
  • cockeyed
  • fallacious
  • false
  • fatuous
  • faulty
  • groundless
  • hollow
  • implausible
  • inconclusive
  • absurd
  • casuistic
  • cockeyed
  • fallacious
  • false
  • fatuous
  • faulty
  • groundless
  • hollow
  • implausible
  • inconclusive

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