dément

== French == === Etymology === Borrowed from Latin dementem. === Pronunciation === IPA(key): /de.mɑ̃/ === Noun === dément m (plural déments, feminine démente) One who suffers from dementia, who is insane === Adjective === dément (feminine démente, masculine plural déments, feminine plural démentes) (of a person) demented, insane, lunatic (figuratively, informal) Which is beyond reason, unbelievable === Verb === dément third-person singular present indicative of démentir === Further reading === “dément”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012