1. Inclined to secrecy or reticence about divulging information
   - close, closelipped, secretive, tightlipped

See also: incommunicative, uncommunicative

• chatterer
• chattering
• chattering classes
• chattily
• chattiness
• chatty
• Chaucer
• chauffeur
• chauffeuse
• chaulmoogra
• chaulmoogra oil
• chaulmoogra tree
• chaulmugra
• Chauna
• Chauna torquata
• chauvinism
• chauvinist
• chauvinistic
• chauvinistically
• chav
• Chavez
• chaw
• chawbacon
• Che Guevara
• cheap