/ Dictionary / Index D disinformation: Meaning and Definition of Find definitions for: dis•in•for•ma•tion Pronunciation: (dis-in"fur-mā'shun, dis"in-), [key] — n. false information, as about a country's military strength or plans, publicly announced or planted in the news media, esp. of other countries. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disinformation (Thesaurus) disinform disingenuous Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language