RichThesaurus
proven
proven
antonyms
questionable
conjectural
speculative
unproven
suppositional
unsubstantiated
uncertain
tentative
unfounded
suppositious
groundless
hypothetical
unjustified
spurious
theoretical
putative
unreliable
unconfirmed
suspect
unwarranted
baseless
fabricated
idle
academic
foundationless
assumed
debatable
trumped-up
unreal
unsound
supposed
unproved
provisional
unsupported
vain
vague
untrue
without foundation
untested
without basis
imaginary
false
disputable
problematic
contingent
fallacious
doubtful
dubious
suppositive
unverified
unattested
unresolved
specious
unsettled
uncorroborated
uncalled-for
refutable
test
reputed
trial
equivocal
postulated
misinformed
concocted
chimerical
presumed
notional
illogical
deceptive
ill-founded
preliminary
contestable
novel
not backed up by evidence
gratuitous
pilot
moot
apocryphal
ideational
bottomless
probationary
problematical
ambiguous
controversial
erroneous
indefinite
abstract
experimental
misguided
illusory
presumptive
indeterminate
imagined
misleading
supposititious
rejected
queer
romantic
reported
under examination
temporary
sham
under probation
suspicious
stochastic
refused
testing
surmising
undecided
unearthly
undefined
unverifiable
synthetic
unprovoked
surmised
unconventional
unacceptable
simulated
trumped up
provisory
theoretic
unconcluded
untruthful
trial-and-error
transcendent
quixotic
under advisement
wrong
unauthorized
transcendental
shady
open to question
democratic
open
artificial
assumptive
casual
impractical
instanced
faked
fictional
alleged
beginning
mock
delusive
occult
based on guesswork
improvised
guesstimated
accepted
fantastic
empirical
momentary
iffy
offbase
in theory
figmental
cooked-up
intellectual
primary
feigned
experiential
modern
dishonest
hard to believe
ideal
philosophical
made
formularized
imputed
bogus
as a premise
arguable
fishy
idealized
counterfeit
empty
dubitable
preparatory
general
factitious
invented
in the abstract
fake
guessing
open to debate
oracular
logical
fanciful
disproven
laboratory
flimsy
cryptic
pretending
balloon
formalistic
created
pedantic
imaginative
ersatz
proven
definitions
adj
Having been proved; having proved its value or truth.