Synonyms of ill-founded in English:

ill-founded


See definition of ill-founded

adjective

1‘your faith in his expertise was ill-founded’

SYNONYMS
baseless, groundless, without foundation, foundationless, without basis, unjustified, unsupported
unsubstantiated, unproven, unverified, uncorroborated, unconfirmed, unauthenticated, not backed up by evidence, speculative, conjectural
unsound, unreliable, questionable, misinformed, misguided, spurious, trumped-up
ANTONYMS

well founded