Deliberately misleading information announced publicly or leaked by a government or especially by an intelligence agency in order to influence public opinion or the government in another nation.
Dissemination of such misleading information.
False information spread deliberately, specif. by a government, in order to mislead enemies or to mold public opinion.
Intentionally erroneous information. With the advent of the Web, there is an exponentially greater amount of public disinformation than ever in history. The Web has become the leading venue to publish falsehoods and purposely deceive people. Contrast with "misinformation," which refers to misleading people unintentionally. See Data Smog.