1. Not inquiring
   - uninquiring 
2. Deficient in curiosity
   - uninquiring

See also: incurious

• clostridial myonecrosis
• clostridium
• Clostridium botulinum
• clostridium perfringens
• Clostridium perfringens epsilon toxin
• closure
• closure by compartment
• clot
• clot buster
• clotbur
• cloth
• cloth cap
• cloth covering
• clothe
• clothed
• clothes
• clothes basket
• clothes closet
• clothes designer
• clothes drier
• clothes dryer
• clothes hamper
• clothes hanger
• clothes moth
• clothes peg