The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
also Big Lienoun
Repeated distortion of the truth on a grand scale, especially for propaganda purposes: released falsified documents to bolster the big lie that no government troops were involved in the fighting.