How to say "covert" in Japanese

• 隠密おんみつCommon
  na-adjective, no-adjectiveCovers the central sense of 'covert': done secretly or stealthily, clandestine activity kept out of sight. Think of spies, surveillance, or operations conducted away from public view.
• カバート
  no-adjectiveA katakana loanword that simply renders the English 'covert'. It is less common, and for the sense 'done in secret' it is seldom the word you want — 隠密 is the natural choice instead.

For the everyday sense of 'covert' — done secretly or stealthily — 隠密 is the word to use; 「カバート」 is just the borrowed English term, less common, and seldom the natural choice.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 隠密おんみつsecret
• カバートcovert