baseless
adjective
[ ˈbeɪsləs ]
• without foundation in fact.
• "baseless allegations"
Similar:
groundless,
unfounded,
unsubstantiated,
unproven,
unsupported,
uncorroborated,
untested,
unconfirmed,
unverified,
unattested,
unjustified,
unwarranted,
foundationless,
ill-founded,
without basis,
without foundation,
not backed up by evidence,
speculative,
conjectural,
idle,
vain,
unsound,
unreliable,
questionable,
misinformed,
misguided,
spurious,
specious,
fallacious,
erroneous,
fabricated,
untrue,
trumped-up,
• (of a column) not having a base between the shaft and pedestal.