notional
speculative
unreasoning
blind
ill-founded
improper
unsupported
objective
nonrational
factish
fallacious
impertinent
extraneous
immaterial
orthogonal
untrue
unempirical
prejudication
supposititious
hypothetical
apart
hypothetic
suppositious
divinatory
conjectural
aside
supposed
suppositional
unobjective
unverifiable
prepossession
gossamer-thin
on background
preconceived idea
ideological
preconceived notion
preconception
parti pris
preconceived opinion
acritical
imaginary
unfactitious
unfactual
plausibly
fanciful
nonevidence
baseless
inveracity
false
secondary
paradiplomatic
wild
groundless
unwarranted
nonfinding
unfounded
idle
a posteriori
unprobed
factually
nonanecdotal
wild guess
nonexplanatory
nonqualitative
unspecified
prejudice
unqualitative
impressionistic
inessentiality
noninvestigational
uncorroborated
noncrucial
unsubstantiated
nonfactious
out of the picture
unfactious
nonfact
rough
crude
conjecture
noninformation
unanalyzed
unconvincing
unsubstantive
counterfactual
noncorroborated
a priori
unempirically
noncontroversial
unaccountable
unexplainable
datum
misfact
data point
count angels on pinheads
alogical

English words for 'not based on fact or investigation'

As you may have noticed, above you will find words for "not based on fact or investigation". Hover the mouse over the word you'd like to know more about to view its definition. Click search related words by phrase or description. to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.

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