1. people who have special knowledge or access to information within an organization or group
Usage: plural of insider
2. people who have privileged access to confidential information, especially in business or finance
Usage: business context

Examples

• Only company insiders knew about the merger before it was announced.
• The insiders at the tech firm had early access to the new product launch.
• Political insiders predicted the outcome of the election weeks in advance.
• Wall Street insiders are prohibited from trading on confidential information.
• The restaurant’s insiders knew which dishes were the chef’s favorites.
• Hollywood insiders often attend exclusive industry events.
• The insiders shared valuable tips about navigating the corporate culture.