unworldly

Adjective

• not wise in the ways of the world
  • either too unsophisticated or too honest to promise more than he could deliver
    
  • this helplessly unworldly woman- Kate O'Brien
    

• not concerned with the temporal world or swayed by mundane considerations
  • was unworldly and did not greatly miss worldly rewards- Sheldon Cheney
    

Related words

• Antonyms: 
  worldly , secular , temporal