Propaganda is the systematic spreading of information or ideas to promote or damage a cause, movement, or nation. Learn the origin, types, and usage of the term from various dictionaries and sources. Propaganda definition: information, ideas, or rumors deliberately spread widely to help or harm a person, group, movement, institution, nation, etc.. See examples of PROPAGANDA used in a sentence. Propaganda , a term often associated with persuasion and manipulation, is significant in shaping opinions and influencing behaviors in various contexts. Understanding the definition , techniques, and examples of propaganda can shed light on its impact and ethics. The term ‘ propaganda ’ has its roots in the ‘Congregatio de Propaganda Fide,’ a missionary organization established by the Roman Catholic Church under Pope Gregory XV in 1622 to oversee foreign missions and propagate the faith ...