<p><strong>Noun</strong></p><ul><li>The German state secret police during the Nazi regime, organized in 1933 and notorious for its brutal methods and operations.</li></ul><p><strong>Adjective</strong></p><ul><li>(Sometimes lowercase) Of or resembling the Nazi Gestapo, especially in the brutal suppression of opposition: "The new regime is using gestapo tactics."</li></ul>