Secret synonyms such as formula, abstruse, black, clamlike, confidence, conundrum, answer, and blueprint. Secret is an adjective, and its antonyms are known, public, visible, overt, open, and known about.
Another word for Secret
1. confidential
2. clandestine
- underhand
- underground
- undercover
- surreptitious
- stealthy
- sneaky
- sly
- shrouded
- shifty
- hush-hush
- hole-and-corner
- hidden
- furtive
- covert
- conspiratorial
- closet
- cloak-and-dagger
- clandestine
- black
3. uncommunicative
4. confidential matter
- skeleton in the cupboard
- skeleton in the closet
- secret
- private affair
- confidential matter
- confidence
5. mystery
6. recipe