unsubstantiated
adjective
[ ʌnsəbˈstanʃɪeɪtɪd ]
• not supported or proven by evidence.
• "unsubstantiated claims"
Similar:
unconfirmed,
unsupported,
uncorroborated,
not backed up by evidence,
unverified,
unattested,
unproven,
not validated,
untested,
unfounded,
ill-founded,
groundless,
baseless,
without basis,
without foundation,
unjustified,
unwarranted,
unjustifiable,
unreasonable,
speculative,
conjectural,
assumed,
presumed,
questionable,
open to question,
disputable,
debatable,
unreliable,
untrustworthy,
dubious,
doubtful,
tenuous,
spurious,
suspect,
flimsy,
weak,
nebulous,
unsound,
undependable,
iffy,
dodgy,
unestablished,
suppositious,
suppositive,
