1. secret information;〔最高機密事項〕a top secret

    機密の (top) secret; classified; confidential

    • 機密を守る
    • maintain [observe] secrecy/keep [guard] a secret
    • 機密を漏らす
    • leak [《文》 divulge] a secret
    • 某国の軍事力の機密を探る
    • 「spy into [investigate] a particular country's military strength
  1. 機密事項a secret matter; confidential affairs
  1. 機密情報「top secret [classified] information
  1. 機密書類secret [《米》 classified] documents
  1. 機密費a secret [discretionary] fund
  1. 機密漏洩leakage of (official) secrets
    • 機密漏洩を防ぐ
    • plug 「a leak of secret information [an intelligence leak]