unfound adjective 1verb 2forms 3 adjective1 •Not found. verb2 •(rare) To disestablish; to undo the founding of. •To dismiss a criminal charge as unfounded.Manitoba had the second-lowest provincial rate, and Winnipeg police unfounded only 2 per cent of allegations. (Police and other experts who deal with the issue routinely use “unfound” as a verb.) — 2017 formsunfounded · unfounding · unfounds