Synonyms of SECRETEST

adjective

1. not open or public; kept private or not revealed

   • SECRET8

2. conducted with or marked by hidden aims or methods

   • CLANDESTINE14
   • SECRET8
   • SURREPTITIOUS15
   • UNDERCOVER16
   • UNDERGROUND14

   Also: cloak-and-dagger, hole-and-corner, hugger-mugger, hush-hush.

3. not openly made known

   • UNAVOWED15
   • SECRET8

4. communicated covertly

   • SECRET8

5. not expressed

   • SECRET8
   • PRIVATE12

6. designed to elude detection

   • HIDDEN11
   • SECRET8

7. hidden from general view or use

   • PRIVY13
   • SECLUDED12
   • SECRET8

8. (of information) given in confidence or in secret

   • CONFIDENTIAL18
   • SECRET8

9. indulging only covertly

   • SECRET8

10. having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding

    • MYSTERIOUS15
    • MYSTIC13
    • MYSTICAL15
    • OCCULT10
    • SECRET8
    • ORPHIC13

11. the next to highest level of official classification for documents

    • SECRET8