Inside dope is colloquial slang meaning confidential information. The term refers to exclusive information or news that's not readily accessible to the public. You may not want to use the phrase in a formal setting, but there are many synonyms for inside dope. Some common alternatives include inside track, inside scoop, insider knowledge, insider information, and inside story. Other examples include confidential information, classified intelligence, trade secrets, and proprietary data. Whatever term you use, it's essential to use discretion when sharing confidential information. Understanding when to keep information confidential is critical in building trust and maintaining good relationships.