Swift, Jonathan Syllabification: (Swift, Jonathan)Pronunciation: /swift/Definition of Swift, Jonathan (1667–1745), Irish satirist, poet, and Anglican cleric; known as Dean Swift. He is best known for Gulliver’s Travels (1726), a satire on human society in the form of a fantastic tale of travels in imaginary lands. Swift, Jonathan in other Oxford dictionaries Definition of Swift, Jonathan in the British & World English dictionary