amentia/eɪˈmɛnʃə/EtymologyFrom Latin āmentia (“madness; senselessness”), from āmēns (“mad, insane; foolish”), from ab (“from, away from”) + mēns (“mind”).amentia means mental impairment; state of being mentally handicapped. Lexicurio rates it Sui generis — a strength score of 85 out of 100.nounMental impairment; state of being mentally handicapped.“Cretinism is a form of amentia, which is endemic in certain districts, especially in some of the valleys of Switzerland, Savoy, and France.”