Forsyth, Frederick Syllabification: (For·syth, Frederick)Pronunciation: /ˈfôrˌsīTH/Definition of Forsyth, Frederick (1938-), English novelist. He is known for political thrillers such as The Day of the Jackal (1971), The Odessa File (1972), The Fourth Protocol (1984), and The Afghan (2006). Forsyth, Frederick in other Oxford dictionaries Definition of Forsyth, Frederick in the British & World English dictionary