doublethink Syllabification: (dou·ble·think)Pronunciation: /ˈdəbəlˌTHiNGk/Definition of doublethink noun the acceptance of or mental capacity to accept contrary opinions or beliefs at the same time, especially as a result of political indoctrination. Origin: 1949: coined by George Orwell in his novel Nineteen Eighty-Fourdoublethink in other Oxford dictionaries Definition of doublethink in the British & World English dictionary