noun
false rumor; misinformation; hoax
Abbreviation of デマゴギー (demagogy). Refers to deliberately or carelessly spread false information, often with an intent to mislead. Common in news and social media contexts.
See also: デマゴギー
SNSでデマが拡散された。
Misinformation was spread on social media.
そのニュース
That news turned out to be a false rumor.