ill-founded

comparative more ill-founded · superlative most ill-founded

1. Unsubstantiated, not based on fact or evidence.

   ill-founded criticism

   3 more examples

   He said, the part of the sentence which stated that the court “having heard the evidence, and maturely and seriously considered the whole, are of opinion that the charge is malicious and ill-founded: […]”

   1814, Cobbett's Parliamentary History of England: From the Norman Conquest, in 1066 to the Year 1803., page 1155

   Optimism rose to a third peak in 1846, when the eagerness of investors to take up shares in new companies precipitated a financial panic in which many ill-founded schemes perished.

   1946 September and October, “The Four Railway Manias”, in Railway Magazine, page 269

   In fact, for all of Morgan’s game dopiness and genius timing, the biggest laugh might come from famed particle physicist Brian Cox, who—after having to listen to yet another misguided and meandering anecdote about Cunk’s mate Paul, an ill-informed fount of knowledge for our title star—finally asks: “So what does Paul do?”

   2025 January 3, Christina Izzo, “Cunk On Life is brilliantly funny (and depressingly timely)”, in AV Club

   Synonyms: ill-grounded, groundless, baseless, flimsy, unjustified · Antonyms: well-grounded, well-founded, on solid ground