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

See also: incurious

Antonym: inquiring

• flathead
• flathead catfish
• flatiron
• flatlet
• flatly
• flatmate
• flatness
• flats
• flatten
• flatten out
• flattened
• flattening
• flatter
• flatterer
• flattering
• flatteringly
• flattery
• flatting
• flattish
• flattop
• flatulence
• flatulency
• flatulent
• flatus
• flatus-relieving