Back-channel synonyms | adjectives

Synonyms for Back-channel as an Adjective

• sneak
• secret
• underhand
• underhanded
• furtive
• sneaking
• sneaky
• stealth
• clandestine
• covert
• hugger-mugger
• stealthy
• surreptitious
• undercover
• private
• backstairs
• behind-the-scenes
• hole-and-corner
• hush-hush
• privy
• underground
• closed-door
• off-the-books
• off-the-record