De Quincey, Thomas Syllabification: (De Quin·cey, Thomas)Pronunciation: /də ˈkwinsē/Definition of De Quincey, Thomas (1785–1859), English essayist and critic. He was known for his Confessions of an English Opium Eater (1822), a study of his addiction to opium and its psychological effects. De Quincey, Thomas in other Oxford dictionaries Definition of De Quincey, Thomas in the British & World English dictionary
