from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Thought marked by the acceptance of gross contradictions and falsehoods, especially when used as a technique of self-indoctrination: "Doublethink . . . is a vast system of mental cheating” ( George Orwell).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The power of holding two contradictory beliefs in one's mind simultaneously, and accepting both of them.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. believing two contradictory ideas at the same time
From English, double + think. Coined by George Orwell in Nineteen-Eighty Four. (Wiktionary)