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Synonyms for un questionable
adj definite; beyond doubt

undeniable
unequivocal
unmistakable
indisputable
self-evident
absolute
accurate
authentic
bona fide
certain
clear
cold

conclusive
dependable
downright
established
faultless
flat
flawless
genuine
incontrovertible
indubitable
irrefutable
manifest

obvious
pat
patent
perfect
positive
real
reliable
superior
sure
undoubted
unimpeachable
veritable

well-founded
well-grounded
incontestable
undisputable
true
down pat
for certain
no ifs ands or buts
sure-enough

Antonyms for un questionable

disputable
indefinite
uncertain

unsure
vague
questionable

doubtful

Synonyms
adj certain

genuine
categorical
undeniable
unmitigated
unequivocal

definite
unquestionable
infallible
factual
exact

positive
actual
conclusive
consummate
decided

decisive
fixed
precise
sure
unambiguous

Antonyms

ambiguous
equivocal
questionable
vague
indefinite
imperfect
uncertain
unsure
inexact

incorrect
accountable
restricted
tractable
complaisant
compliant
submissive
conditional
false

imprecise
circumscribed
limited
yielding
dependent
partial
flawed

Synonyms
adj correct, without error

perfect
definitive
authoritative
truthful
definite
strict
valid
authentic

factual
exact
conclusive
absolute
actual
certain
faultless
final

flawless
genuine
infallible
irrefutable
official
right
straight
undeniable

undisputed
unimpeachable
unquestionable
veracious
errorless
true
unrefuted

Antonyms

incomplete
inaccurate
inconclusive
inexact
unreliable
dishonest
untruthful
indefinite
uncertain

counterfeit
unreal
incorrect
faulty
lax
vague
erroneous
misleading
mistaken

questionable
imprecise
wrong
false
invalid
careless
doubtful

Synonyms
adj truly existing, real

certain
substantial
definite
physical
absolute
authentic
categorical

concrete
confirmed
factual
genuine
hard
indisputable
indubitable

kosher
positive
realistic
tangible
truthful
undeniable
unquestionable

verified
substantive
true
for real
honest injun
honest to God
sure enough

Antonyms

uncertain
spiritual
counterfeit
fictitious
imaginary
pretended

unreal
hypothetical
reputed
theoretical
unfixed
mental

false
legendary
nominal
past

Synonyms
adj absolutely certain

settled
sure
guaranteed
pronounced
confirmed
set
secure
clear-cut

insured
decided
sealed
fixed
definite
dependable
in the bag
indubitable

irrefutable
undoubted
unquestionable
racked
clinched
ensured
cinched
beyond doubt

made certain
nailed down
on ice
sewed up
surefire

Antonyms

indefinite
uncertain
unsure
vague
undecided
feared

distrustful
doubting
hesitant
nervous
unfixed
doubted

doubtful
confused
dismayed
fearful

Synonyms
adj trustworthy

credible
satisfying
persuasive
convincing
plausible
reasonable
conceivable
authentic

aboveboard
acceptable
creditable
fiduciary
honest-to-god
imaginable
impressive
likely

possible
presumable
presumptive
probable
rational
reliable
straight
tenable

tried
trusty
unquestionable
up front
colorable
credential
supposable

Antonyms

implausible
improbable
inconceivable
unbelievable

unimaginable
unlikely
unconvincing
unreliable

unthinkable
incredible
unreasonable
unbelieveable

Synonyms
adj understandable, apparent

unambiguous
precise
straightforward
evident
simple
clear-cut
unequivocal
explicit
unmistakable
distinct
coherent

definite
obvious
sharp
transparent
pronounced
patent
plain
express
manifest
crystal
audible

comprehensible
conspicuous
incontrovertible
intelligible
knowable
legible
lucid
palpable
perceptible
perspicuous
readable

uncomplicated
unquestionable
lucent
apprehensible
graspable
loud enough
open and shut
recognizable
spelled out
transpicuous
unblurred

Antonyms

ambiguous
inexact
questionable
complicated
indefinite
uncertain
unclear
unsure
vague
unintelligible
equivocal
indistinct
concealed

hidden
cloudy
shadowy
mysterious
congested
foggy
obscured
culpable
guilty
imprecise
difficult
obscure
fuzzy

undefined
dark
dim
dull
gloomy
blocked
clogged
closed
hindered
clouded
smudged
responsible
mistakable

Synonyms
adj definite, final

unambiguous
precise
undeniable
convincing
indisputable
compelling
unmistakable
decisive
irrefutable

irrevocable
absolute
clear
cogent
deciding
demonstrative
flat out
incontrovertible
litmus test

telling
ultimate
unconditional
unquestionable
determinative
all out
clinching
determinant
irrefragable

irrefrangible
resolving
revealing
settling
straight out
unanswerable
unarguable
what you see is what you get

Antonyms

ambiguous
questionable
disputable
indefinite

uncertain
unsure
inconclusive
doubtful

dubious
refutable

Synonyms
adj certain, definite

pronounced
sure
distinct
determined
settled
assured
fated
clear
express

predetermined
destined
clear-cut
absolute
categorical
emphatic
explicit
for sure
in the bag

indisputable
positive
runaway
unalterable
unambiguous
undeniable
undisputed
unequivocal
unmistakable

unquestionable
resolved
cinched
nailed
prearranged
clinched
on ice

Antonyms

indistinct
vague
uncertain
ambiguous
indefinite

undecided
deferential
delaying
hesitant
obscure

wavering
fuzzy
postponing
procrastinating

Synonyms
adj thorough, absolute

outright
damned
blatant
blunt
categorical
certain
clear
complete

explicit
flat
gross
honest
indubitable
open
out-and-out
plain

positive
simple
sincere
straight
straightforward
sure
thoroughgoing
total

unequivocal
unmitigated
unqualified
unquestionable
utter
whole
undisguised

Synonyms
adj real, correct

precise
credible
circumstantial
descriptive
accurate
unbiased
valid
legitimate
absolute

actual
authentic
certain
close
exact
faithful
genuine
hard
kosher

legit
literal
objective
on the level
positive
righteous
specific
sure
unadorned

undoubted
unquestionable
veritable
card-carrying
sure-enough
true
true-to-life
straight from horse’s mouth

Antonyms

inaccurate
questionable
biased
incorrect

untruthful
false
careless
wrong

invalid
imprecise
unfactual

Synonyms
adj absolute, positive

straight
plain
final
categorical

direct
downright
explicit
fixed

indubitable
out-and-out
peremptory
unconditional

unequivocal
unmistakable
unqualified
unquestionable

Antonyms

rounded
uneven
indefinite
broken

elevated
raised
rough
rugged

bubbly
effervescent
sharp

Synonyms
adj authentic, real

natural
positive
honest
certain
legitimate
pure
bona fide

palpable
absolute
accurate
actual
demonstrable
exact
factual

good
hard
indubitable
kosher
literal
official
original

plain
precise
proved
sound
sterling
-carat
24-carat

Antonyms

indefinite
uncertain
unsure
questionable
counterfeit
illegitimate

sham
unreal
deceptive
dishonest
insincere
misleading

doubtful
dubious
false
affected
deceiving

Synonyms
adj unaffected; honest

real
natural
positive
sincere
earnest
heartfelt

actual
artless
candid
frank
known
open

reliable
righteous
trustworthy
unfeigned
unimpeachable
unquestionable

up front
valid
true
undesigning
unpretended
well-established

Antonyms

dishonest
insincere
untrustworthy
unreal
counterfeit

illegitimate
sham
deceptive
misleading
false

invalid
affected
deceiving

Synonyms
adj genuine

absolute
accurate
actual
authentic
bona fide
certain
factual
honest

kosher
legitimate
official
on the level
positive
real
straight
unquestionable

valid
legit
true
authenticated
certified
for real
for-sure
honest-to-goodness

no buts about it
on the up-and-up
real stuff
really-truly
sure-enough
sure-thing

Synonyms
adj beyond dispute

accurate
authentic
certain
established
indisputable

indubitable
irrefutable
positive
sure
sure thing

undeniable
unquestionable
unshakable
incontestable
nailed down

no mistake
no two ways about it
surefire
uncontestable
unequivocable

Antonyms

changeable
questionable

uncertain
variable

controvertible

Synonyms
adj beyond doubt

unassailable
evident
undeniable
unquestionable
irrefutable
absolute

accurate
actual
certain
incontestable
incontrovertible
indubitable

positive
real
sure
undoubted
veridical
double-checked

no ifs ands or buts about it
no mistake
open and shut
true
unfabled
that’s a fact

Antonyms

disputable
indefinite
uncertain
unsure

questionable
unreliable
vague
doubtful

dubious
refutable

Synonyms
adj unerring, dependable

authoritative
flawless
unbeatable
foolproof
acceptable
accurate
agreeable
certain
correct
effective

effectual
efficacious
efficient
exact
faultless
handy
helpful
impeccable
incontrovertible
omniscient

perfect
positive
reliable
satisfactory
satisfying
sure
trustworthy
unfailing
unimpeachable
unquestionable

useful
true
apodictic
inerrable
inerrant
surefire
undeceivable

Antonyms

erring
fallible

faulty
imperfect

Synonyms
adj beyond question

undeniable
ironclad
unassailable
indisputable
accurate
certain
evident
final

incontrovertible
indubitable
invincible
irresistible
obvious
positive
set
sure

unimpeachable
unquestionable
inarguable
incontestable
apodictic
can bet on it
double-checked
irrebuttable

irrefragable
nof ifs ands or buts
odds-on
proven
unanswerable

Antonyms

disputable
indefinite
questionable

uncertain
doubtful
dubious

refutable

Synonyms
adj obvious

apparent
axiomatic
clear
comprehensible

incontrovertible
inescapable
manifest
plain

prima facie
undeniable
understandable
unmistakable

unquestionable
visible
patently true

Antonyms

questionable

obscure

Synonyms
adj certain, definite

confident
clear
convinced
assured
positive
abiding
changeless
constant
convincing
decided
doubtless

enduring
firm
fixed
genuine
incontrovertible
indisputable
indubitable
persuaded
real
satisfied
set

steadfast
steady
telling
unchangeable
unchanging
uncompromising
undeniable
unequivocal
unfailing
unfaltering
unqualified

unquestionable
unshakable
unshaken
unvarying
unwavering
valid
incontestable
unquestioning
for a fact
free from doubt
never-failing

Antonyms

uncertain
unsure
indefinite
variable
unsteady

wobbly
doubtful
dubious
wavering
swerving

doubted
humbled
unconfident
unself-confident

Synonyms
adj real, valid; concordant with facts

perfect
genuine
normal
truthful
accurate
honest
appropriate
legitimate
pure
bona fide
proper
natural

authentic
correct
sincere
typical
right
straight
direct
kosher
wash
fitting
regular
exact

actual
authoritative
dependable
factual
indubitable
lawful
legal
precise
rightful
trustworthy
undeniable
undoubted

unerring
unfeigned
unquestionable
veracious
veritable
very
veridical
on target
sure-enough
undesigning
unfaked

Antonyms

inaccurate
counterfeit
illegitimate
unreal
deceptive
dishonest
insincere
misleading
abnormal
unconventional
unusual
lying
untruthful
untrustworthy

unsuitable
incorrect
unfair
unjust
inappropriate
indirect
changing
deceitful
fraudulent
disloyal
evil
faithless
hateful
flawed

imprecise
wrong
false
affected
uncommon
improper
unfitting
ungenuine
different
corrupt
disorderly
invalid
cheating

Synonyms
adj absolute, total

outright
full
genuine
explicit
unequivocal
unlimited
thorough
definite
unqualified
unrestricted
decisive

actual
assured
categorical
certain
clear
complete
downright
entire
final
flat out
indubitable

open
out-and-out
plenary
positive
thoroughgoing
unmistakable
unmitigated
unquestionable
unreserved
utter
whole

wide
determinate
unconstrained
all out
no catch
no fine print
no holds barred
no ifs ands or buts
no kicker
no strings
straight out

Antonyms

ambiguous
conditional
incomplete
indefinite

equivocal
vague
uncertain
unfinished

obscure
limited
qualified

Synonyms
adj definite, proven

unassailable
evident
certain
indisputable
unquestionable
obvious
irrefutable
actual

binding
clear
compulsory
for sure
incontrovertible
indubitable
manifest
necessary

obligatory
patent
positive
real
sound
sure
sure thing
undoubted

inarguable
incontestable
true
beyond doubt
beyond question
no ifs and or buts
open and shut
unanswerable

Antonyms

disputable
indefinite
uncertain
unclear
unsure

vague
questionable
unreliable
obscure
doubtful

dubious
refutable
contestable
doubted
unproven

Synonyms
adj definite, positive

unambiguous
straightforward
categorical
clear-cut
apparent
explicit
indisputable
obvious
unmistakable
undeniable

decisive
absolute
certain
clear
decided
direct
distinct
downright
evident
flat out

incontrovertible
indubitable
manifest
palpable
patent
plain
straight
unquestionable
incontestable
undisputable

univocal
no catch
no fine print
no holds barred
no ifs ands or buts
no strings attached
open and shut
straight out
uncontestable

Antonyms

ambiguous
conditional
equivocal
questionable
vague

indefinite
uncertain
unclear
disputable
unsure

obscured
doubtful
dubious
obscure

Synonyms
adj authentic

actual
bona fide
factual
genuine

indubitable
kosher
real
undoubted

unquestionable
very
legit
true

for real

Antonyms

fake

unreal

false

Synonyms
adj real, exact

actual
appropriate
authentic
bare
bona fide
correct
especial
express

genuine
ideal
identical
indubitable
mere
model
perfect
plain

precise
pure
right
same
sheer
simple
special
undoubted

unqualified
unquestionable
veritable
selfsame
true
sure-enough
very same

Antonyms

inexact

Synonyms
adj authentic and genuine

genuine
legitimate
authentic
authoritative
credible

natural
official
original
pure
real

rightful
straight
unquestionable
veritable
card-carrying

for real
good-faith
true to life
with good faith

Antonyms

illegitimate

Synonyms
adj obvious

understandable
undeniable
inescapable
unquestionable

apparent
axiomatic
clear
comprehensible

incontrovertible
manifest
plain
prima facie

self-explanatory
unmistakable
visible
patently true

Antonyms

indefinite

unclear

Synonyms
adj undoubted

apparent
assured
certain
conclusive

evident
indisputable
open
positive

sure
undeniable
unequivocal
unquestionable

irrefragable

Antonyms

doubtful

Synonyms
adj undisputed

accepted
assured
authentic
certain

doubtless
indisputable
indubitable
irrefutable

obvious
positive
sure
undeniable

unquestionable
proven
unchallenged
unquestioned

Antonyms

questionable
unclear

unsure
disputed

doubtful
refuted

Synonyms
adj blameless

clean
faultless
impeccable

inculpable
irreproachable
spotless

unblemished
unquestionable
untarnished

unassailable
uncorrupted
untainted

Antonyms

blamable
blameful

blameworthy
culpable

impeachable
reproachable

Synonyms
adj pure

blameless
clean
faultless

immaculate
impeccable
irreproachable

spotless
stainless
unblemished

unquestionable
unassailable
untainted

Antonyms

blamable
blameful

blameworthy
culpable

impeachable
reproachable

Synonyms
adj certainly

certain
doubtless
indisputable

irrefutable
sure
unmistakable

unquestionable
incontestable
without doubt

Synonyms
adj certain

absolute
authoritative
clear
conclusive
definite
demonstrable
destined
determined
evident
firm
fixed
genuine
guaranteed

hard
in the bag
incontestable
incontrovertible
indisputable
indubitable
infallible
irrefutable
known
plain
positive
provable
real

reliable
safe
set
sound
supreme
sure
sure thing
trustworthy
unambiguous
unassailable
undeniable
undisputable
undoubted

unequivocal
unerring
unmistakable
unquestionable
verifiable
ascertained
confirmable
establishable
having down pat
on ice
predestined
salted away
true

Synonyms
adj certain

absolute
authoritative
clear
conclusive
definite
demonstrable
destined
determined
evident
firm
fixed
genuine
guaranteed

hard
in the bag
inarguable
incontrovertible
indisputable
indubitable
infallible
irrefutable
known
plain
positive
provable
real

reliable
safe
set
sound
supreme
sure
sure thing
trustworthy
unambiguous
unassailable
undeniable
undisputable
undoubted

unequivocal
unerring
unmistakable
unquestionable
verifiable
ascertained
confirmable
establishable
having down pat
on ice
predestined
salted away
true

Synonyms
adj certain

undeniable
unequivocal
indisputable
infallible
conclusive
irrefutable
absolute
authoritative
clear
definite
demonstrable
destined
determined

evident
firm
fixed
genuine
guaranteed
hard
in the bag
inarguable
incontestable
incontrovertible
indubitable
known
plain

positive
provable
real
reliable
safe
set
sound
supreme
sure
sure thing
trustworthy
unambiguous
undisputable

undoubted
unerring
unmistakable
unquestionable
verifiable
ascertained
confirmable
establishable
having down pat
on ice
predestined
salted away
true

Antonyms

disputable
indefinite
uncertain
unsure

vague
questionable
imperfect
doubtful

dubious
refutable

Synonyms
adj unconditional

absolute
actual
assured
categorical
certain
clear
complete
decisive
definite
determinate
downright
entire

explicit
final
flat out
full
genuine
indubitable
open
out-and-out
outright
plenary
positive
thorough

thoroughgoing
unconstrained
unequivocal
unlimited
unmistakable
unmitigated
unqualified
unquestionable
unreserved
unrestricted
utter
whole

wide
all out
no catch
no fine print
no holds barred
no ifs ands or buts
no kicker
no strings
straight out

Synonyms
adj certain

absolute
authoritative
clear
conclusive
definite
demonstrable
destined
determined
evident
firm
fixed
genuine
guaranteed

hard
in the bag
inarguable
incontestable
incontrovertible
indisputable
indubitable
infallible
irrefutable
known
plain
positive
provable

real
reliable
safe
set
sound
supreme
sure
sure thing
trustworthy
unambiguous
unassailable
undeniable
undoubted

unequivocal
unerring
unmistakable
unquestionable
verifiable
ascertained
confirmable
establishable
having down pat
on ice
predestined
salted away
true

Synonyms
adj sure

abiding
assured
certain
changeless
clear
confident
constant
convinced
convincing
decided
doubtless
enduring

firm
fixed
genuine
incontestable
incontrovertible
indisputable
indubitable
persuaded
positive
real
satisfied
set

steadfast
steady
telling
unchangeable
unchanging
uncompromising
undeniable
unequivocal
unfailing
unfaltering
unqualified
unquestionable

unquestioning
unshakable
unshaken
unvarying
unwavering
valid
for a fact
free from doubt
never-failing

Synonyms
adj genuine

actual
artless
candid
earnest
frank
heartfelt
hearty

honest
known
natural
open
positive
real
reliable

righteous
sincere
trustworthy
unaffected
unfeigned
unimpeachable
unquestionable

up front
valid
true
undesigning
unpretended
well-established