adjective
- extremely secret or confidential
Usage: informal
Examples
- The government kept the project supersecret for national security reasons.
- She whispered about her supersecret crush to her best friend.
- The company’s supersecret formula was locked in a vault.
- They met at a supersecret location to discuss their plans.
- The supersecret mission required special clearance.
- He promised to keep her supersecret diary hidden.