1. Having little or no knowledge of
   - unacquainted, unacquainted with

See also: unfamiliar

• chassis
• chaste
• chastely
• chasten
• chasteness
• chastening
• chastise
• chastisement
• chastiser
• chastity
• chastity belt
• chasuble
• chat
• chat show
• chat up
• chateau
• Chateaubriand
• chatelaine
• Chateura
• Chateura pelagica
• chatline
• chatoyant
• chatroom
• Chattahoochee
• Chattahoochee River