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What is another word for
unsubstantiated
?
Need
synonyms for unsubstantiated
? Here's a list of
similar words
from our
thesaurus
that you can use instead.
Contexts
Not supported or proven by evidence
Not officially authorized or confirmed
Slanderous or libelous in nature
Supposed, or assumed to be
Adjective
▲
Not supported or proven by evidence
unfounded
groundless
unsupported
questionable
baseless
unsound
dubious
spurious
unreasonable
weak
uncorroborated
foundationless
unproven
unreliable
unwarranted
doubtful
flimsy
unconfirmed
tenuous
unjustified
suspect
unverified
invalid
conjectural
speculative
dodgy
iffy
uncertain
nonvalid
unjustifiable
undependable
debatable
fishy
nebulous
disputable
unattested
arguable
dubitable
untrustworthy
unestablished
controversial
suspicious
suppositious
suppositive
assumed
presumed
indefinite
ill-founded
without foundation
without basis
not validated
open to question
open to doubt
not backed up by evidence
hard to believe
false
specious
shaky
untrue
erroneous
inaccurate
fallacious
untested
unconvincing
illogical
hypothetical
abstract
ungrounded
untenable
theoretical
suppositional
imaginary
notional
ideational
flawed
misguided
theoretic
incorrect
bogus
wrong
fake
defective
misleading
putative
implausible
trumped-up
fallible
faulty
fabricated
deceptive
vague
misinformed
tentative
unproved
problematical
trumped up
academic
gratuitous
irrational
inexact
philosophical
equivocal
ideal
vain
metaphysical
fictitious
illusory
mistaken
unreal
untruthful
problematic
idealized
US
ideological
factitious
reasonless
unreasoned
unendorsed
idealised
UK
sophistic
in theory
full of holes
wide of the mark
conceptual
delusive
delusory
indefensible
intellectual
idle
sketchy
conjectured
supposed
bottomless
doubtable
deceitful
deceiving
distorted
inadequate
dicey
deluding
academical
postulated
hollow
off
empty
sophistical
unauthenticated
chancy
rocky
disreputable
risky
nonrational
illegitimate
unreasoning
shady
uncalled-for
incongruous
impractical
unsustainable
inconsequent
inconsequential
queer
imaginative
logical
analytical
formularized
general
pure
quixotic
instanced
phoney
UK
unclear
phony
US
unsubstantial
based on guesswork
flakey
US
pseudo
unstable
flaky
UK
sham
without justification
mad
on paper
in the abstract
as a premise
off-target
off beam
not genuine
insecure
nonsupported
unsafe
without substantiation
without merit
inexcusable
unforgivable
untried
unpardonable
dishonest
fanciful
insubstantial
unsupervised
hearsay
unofficial
unprovoked
controvertible
visionary
transcendental
counterfactual
unwarrantable
truthless
contingent
artificial
out
contentious
borderline
pedantic
unearthly
codified
hypothetic
formalistic
transcendent
misrepresentative
causeless
fragile
chimerical
moot
issuable
uncalled for
mythical
legendary
unspecific
insignificant
hazy
preposterous
falsified
insupportable
without reason
unbacked
casuistic
without cause
uncanonical
in doubt
negotiable
not backed up
improbable
unpersuasive
unbelievable
illegal
indeterminate
open to debate
open to suspicion
subject to debate
off target
invented
ungenuine
counterfeit
fictional
unsure
indecisive
nonsensical
poor
unsatisfactory
unlikely
far-fetched
absurd
contradictory
incredible
ludicrous
inconclusive
feeble
farfetched
lame
way out
unsettled
wrongly inferred
not working
apocryphal
provisional
rough
unsupportable
inconceivable
obscure
impossible
irreconcilable
puzzling
senseless
fantastic
not reliable
not dependable
off-base
made-up
imprecise
unrealistic
approximate
experimental
projected
conceptive
nominal
pathetic
airy
fatuous
nutty
thin
wacky
slight
reachy
unimpressive
unpragmatic
imagined
not practical
beguiling
fraudulent
off the wall
won't hold water
won't wash
self-contradictory
made up
way off
way off beam
presupposed
reputed
surmised
inferred
suspected
guesstimated
figured
guessing
surmising
postulational
on a hunch
unimaginable
unthinkable
ridiculous
shallow
silly
stupid
incredulous
uncompelling
hard to swallow
difficult to believe
incoherent
paltry
daft
idiotic
trifling
foolish
inane
fantastical
beyond belief
not likely
slim
half-baked
superficial
insufficient
unconceivable
frail
crazy
remote
insane
brainless
frivolous
inconsistent
imperfect
scarcely credible
hundred-to-one
not expected
kooky
imbecilic
harebrained
unscientific
unwise
full of it
amiss
wishful
ineffectual
cock-and-bull
laughable
weakly
rare
loony
transparent
injudicious
vapid
witless
asinine
unimagined
flat
unintelligent
outside
moronic
faint
outlandish
distant
cockamamie
incogitable
too much
for the birds
deficient
mindless
ill-considered
meager
US
inept
bad
tame
thoughtless
barmy
meagre
UK
arbitrary
disjointed
unacceptable
incomplete
lunatic
dotty
meaningless
unapt
extraordinary
dippy
staggering
impracticable
labored
US
laboured
UK
daffy
impaired
strained
tall
bleak
strange
indistinct
zany
imprudent
cockeyed
screwy
forced
incomprehensible
faltering
beyond the bounds of possibility
confused
unheard of
unintelligible
indiscreet
incautious
doltish
mind-boggling
mind-blowing
not convincing
jerky
far out
dim
tomfool
cock and bull
slim and none
simple
reaching
infeasible
softheaded
feebleminded
nerdy
short-sighted
ill-advised
half-witted
ill-defined
threadbare
unsuccessful
undefendable
all wet
contrived
inauthentic
shoddy
inadmissible
light
weak-kneed
exiguous
minute
unarguable
exaggerated
wrongly deduced
duff
contemptible
assailable
bizarre
ponderous
cockamamy
extravagant
outrageous
loopy
fairy-tale
embellished
unthinking
overblown
wild
sensational
hyperbolic
farcical
spectacular
lacking substance
half-hearted
astonishing
amazing
unplausible
embroidered
hard to take
slender
eye-popping
scatterbrained
lamebrained
past belief
jaw-dropping
demented
blown up
freaky
aberrant
distraught
raving
counterintuitive
disconnected
delirious
off-the-wall
feeble-minded
ambiguous
perverse
irrelevant
unconnected
enigmatic
blurred
unknowable
insupposable
imcomprehensible
not following
not making sense
woolly
UK
bleary
foggy
cloudy
unheard-of
out of the question
shadowy
perplexing
wooly
US
fuzzy
pointless
extremely implausible
extremely unlikely
extremely doubtful
beyond reason
won't fly
extremely difficult to believe
hesitating
halting
not in the least likely
risible
not to be thought of
puerile
goofy
awry
dumb
stuttering
stammering
inarticulate
vacuous
sappy
damfool
gormless
futile
glaikit
cretinous
childish
unfit
infantile
divvy
blemished
dof
warped
immature
botched
purposeless
tainted
cracked
worthless
garbled
stumbling
vacant
insipid
crass
innocuous
injured
empty-headed
wishy-washy
devoid of intelligence
debased
rank
leaky
malformed
blamable
below par
mumbled
muttered
broken
hesitant
poorly spoken
more ❯
“This has led to all sorts of unfair and
unsubstantiated
accusations being leveled against me.”
Adjective
▲
Not officially authorized or confirmed
unofficial
unconfirmed
unauthorised
UK
unauthorized
US
undocumented
unendorsed
private
unauthenticated
unratified
unsanctioned
personal
uncertified
uncorroborated
off-the-record
off the record
hearsay
unsupported
unsupervised
invalid
unverified
unproven
Adjective
▲
Slanderous or libelous in nature
scurrilous
defamatory
slanderous
aspersory
libellous
UK
libelous
US
maligning
pejorative
aspersive
baseless
calumniatory
calumnious
false
injurious
opprobrious
uncorroborated
unfounded
unwarranted
damaging
insupportable
unsupported
untrue
lying
malicious
misrepresentative
scandalous
unjustifiable
unjustified
ill-founded
mud-slinging
vilifying
disparaging
derogatory
denigratory
vituperative
insulting
poisonous
dirty
vicious
abusive
invidious
backbiting
contumelious
traducing
debasing
slurring
smearing
muckraking
sarcastic
more ❯
Adjective
▲
Supposed, or assumed to be
purported
supposed
alleged
ostensible
claimed
professed
maintained
unsupported
apparent
presumed
assumed
hypothetical
conjectural
reputed
presupposed
rumored
US
rumoured
UK
putative
suppositional
seeming
asserted
ostensive
evident
likely
suppositious
declared
supposititious
presumptive
prima facie
thought
suspected
believed
reported
suppositive
so-called
pretended
hypothetic
theoretical
inferential
held
specious
understood
avowed
said
suspect
suspicious
outward
superficial
designated
accepted
surface
illusory
feigned
semblant
stated
described
averred
perceived
illusive
implicated
conjectured
expected
incriminated
acknowledged
surmised
plausible
hypothesized
US
anticipated
implicit
inferred
given
connoted
postulated
tacit
involved
granted
hypothesised
UK
under suspicion
taken as known
counted on
taken for granted
admitted
appearing
speculative
quasi-
academic
to all appearances
just so
theoretic
possible
exterior
probable
academical
unproven
reputative
affirmed
doubtful
dubious
unproved
imputed
recognized
US
recognised
UK
questionable
commonly believed
commonly regarded
soi-disant
quote unquote
exhibited
manifest
colorable
notable
demonstrative
quasi
more ❯
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unsubstantiated
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Nearby Words
unsubstantiated information
unsubstantiatedly
unsubtle
unsubtly
unsuccess
unsuccesses
unsubstantially
unsubstantiality
unsubstantialities
unsubstantial
unsubscribing
unsubscribes
15-letter Words Starting With
u
un
uns
unsu
unsub
unsubs
unsubst
unsubsta
unsubstan
unsubstant
unsubstanti
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