Synonyms for Unknown

Synonyms starting with letter C

• concealed

  undisclosed, obscure
• covert

  concealed or secret
• curious
• clandestine

  concealed or secret
• classified
• cryptic
• confidential
• chancy
• cutting-edge
• closet
• close
• covered
• clouded
• changed
• crapshoot
• characterless
• contemporary
• current
• confused
• camouflaged
• cloak-and-dagger
• conspiratorial
• code
• confidence
• cipher
• confidential information
• classified information
• cloudy
• cabalistic
• cloaked
• celestial
• concerned
• countless
• cold
• cloak and dagger
• chartless
• criticism
• condemnation
• censure
• common