"unworldly" in the adjective sense
1. unworldly
not concerned with the temporal world or swayed by mundane considerations
"was unworldly and did not greatly miss worldly rewards"- Sheldon Cheney
2. unsophisticated, unworldly
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
Source: WordNet® (An amazing lexical database of English)
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