Adjective
ill-founded (comparative more ill-founded, superlative most ill-founded)
Unsubstantiated, not based on fact or evidence.
Synonyms: baseless, flimsy, groundless, unjustified
Antonym: well-founded
ill-founded criticism
Akbar had prohibited enslavement and sale of women and children of peasants who had defaulted in payment of revenue. He knew, as Abul Fazl says, that many evil hearted and vicious men either because of ill-founded suspicion or sheer greed, used to proceed to villages and mahals and sack them. Akbar
Akbar had prohibited enslavement and sale of women and children of peasants who had defaulted in payment of revenue. He knew, as Abul Fazl says, that many evil hearted and vicious men either because of ill-founded suspicion or sheer greed, used to proceed to villages and mahals and sack them. Abu'l-Fazl ibn Mubarak
Hopes expressed by some MEPs in Brussels that the departure of Dominic Cummings from Downing Street could lead to a change in the UK position appear to have been ill-founded. Source: Internet
In dissent, Justice wrote, “Today a majority of the Court perpetuates its ill-founded abortion jurisprudence by enjoining a perfectly legitimate state law and doing so without jurisdiction.” Source: Internet
Contary to your ill-founded claim; the AEC submitted testimony to Congress about the same time that fission reactor power would be on par with costs from conventional power, and NOT “too cheap to meter” Source: Internet
I've been chuckling every time I glanced at it, and now that I've read the book my chuckles were not ill-founded. Source: Internet