unsupported
ill-founded
nonevidence
speculative
notional
unreasoning
blind
bald
the plural of anecdote is not data
unevidenced
undocumentable
unsubstantiated
uncorroborated
inveracity
uncreditable
more cry than wool
unattested
evidenceless
evidencelessness
unfounded
nonconclusive
improper
nonfacticity
unempirical
abstract
unvindicable
plausibly
untrue
unfactual
a priori
noncontraindicated
unsubstantive
wild
idle
baseless
unfoundedly
untransubstantiated
uncorroborative
unverifiable
unwarranted
unobjective
groundless
inconclusive
noncorroborative
preconceived idea
nonresearch
undebunked
untheorizable
preconception
prepossession