Main entry: unsophisticated, unworldly
Definition: not wise in the ways of the world
Usage: either too unsophisticated or too honest to promise more than he could deliver; this helplessly unworldly woman- Kate O'Brien
Main entry: unworldly
Definition: not concerned with the temporal world or swayed by mundane considerations
Usage: was unworldly and did not greatly miss worldly rewards- Sheldon Cheney