Secret synonyms | Another word for secret

1. confidential

• Abstruse
• Arcane
• Behind someone's back
• Black
• Cabbalistic
• Camouflaged
• Clandestine
• Classified
• Cloak-and-dagger
• Closet
• Coded
• Concealed
• Confidential
• Conspiratorial
• Covert
• Cryptic
• Disguised
• Enciphered
• Encoded
• Esoteric
• Furtive
• Hidden
• Hole-and-corner
• Hush-hush
• Inconspicuous
• Invisible
• Isolated
• Lonely
• Mum
• Mysterious
• Not to be disclosed
• Not to be made public
• Off the beaten track
• Off the record
• Out of the way
• Private
• Recondite
• Remote
• Restricted
• Secluded
• Sequestered
• Sheltered
• Shifty
• Shrouded
• Sly
• Sneaky
• Solitary
• Stealthy
• Strictly confidential
• Sub rosa
• Surreptitious
• Top secret
• Tucked away
• Uncommunicated
• Under wraps
• Undercover
• Underground
• Underhand
• Undisclosed
• Undisturbed
• Unfrequented
• Unknown
• Unnoticeable
• Unofficial
• Unpublished
• Unrevealed
• Untold
• Cut-off

2. clandestine

• Black
• Clandestine
• Cloak-and-dagger
• Closet
• Conspiratorial
• Covert
• Furtive
• Hidden
• Hole-and-corner
• Shifty
• Shrouded
• Sly
• Sneaky
• Stealthy
• Surreptitious
• Undercover
• Underground
• Underhand
• Hush-hush

3. uncommunicative

• Clamlike
• Close-mouthed
• Close
• Introvert
• Introverted
• Media-shy
• Non-communicative
• Private
• Quiet
• Reserved
• Reticent
• Secretive
• Self-contained
• Silent
• Taciturn
• Tight-lipped
• Uncommunicative
• Unforthcoming
• Discreet

4. confidential matter

• Confidence
• Confidential matter
• Private affair
• Skeleton in the closet
• Skeleton in the cupboard
• Secret

5. mystery

• Conundrum
• Enigma
• Mystery
• Paradox
• Poser
• Problem
• Puzzle
• Question
• Riddle
• Question mark

6. recipe

• Answer
• Blueprint
• Formula
• Key
• Magic formula
• Recipe
• Solution