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

See also: incurious

Antonym: inquiring

• Usnea barbata
• Usneaceae
• Usonian
• USP
• USPS
• usquebaugh
• USS
• USS Cole
• Ussher
• USSR
• USSS
• Ustilaginaceae
• Ustilaginales
• Ustilaginoidea
• Ustilaginoidea virens
• Ustilago
• Ustilago maydis
• Ustinov
• usual
• usually
• usualness
• usufruct
• usufructuary
• Usuli
• Usumbura