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Undemonstrated
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Thesaurus
apocryphal
groundless
inconclusive
indecisive
nonofficial
not following
not proved
unascertained
unattested
unauthentic
unauthenticated
unauthoritative
uncertified
unchecked
unconfirmed
uncorroborated
undetermined
unestablished
unfixed
unfounded
unofficial
unpracticed
unproved
unproven
unsettled
unshown
unsubstantiated
unsupported
unsupported by evidence
unsustained
untested
untried
unvalidated
unverified
unwarranted
without basis
without grounds
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