noun🔗ShareDélireA temporary mental state with a sudden onset, usually reversible, including symptoms of confusion, inability to concentrate, disorientation, anxiety, and sometimes hallucinations. Causes can include dehydration, drug intoxication, and severe infection."The student's sudden delirium after a long illness made it hard for her to focus in class. "Le délire soudain de l'étudiante après une longue maladie l'a empêchée de se concentrer en classe.medicineminddiseasesensationbodyconditionChat with AIVocabulary GamePractice Reading