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Unsubstantiated
Synonyms for
unsubstantiated
apocryphal
baseless
conjectural
debatable
disputable
doubtful
dubious
flimsy
foundationless
groundless
iffy
invalid
open to question
questionable
speculative
spurious
suspect
theoretical
unattested
uncalled-for
unconfirmed
uncorroborated
unestablished
unfounded
unjustified
unofficial
unproven
unsound
unsupported
unwarranted
weak
Opposites of
unsubstantiated
There are 31 synonyms for unsubstantiated