unworldly

From un- +‎ worldly.

unworldly (comparative unworldlier, superlative unworldliest)

1. Exceeding what is typically found in the world; exceptional, transcendent.
2. Characterising people who are unconcerned with worldly matters; spiritually minded.
   • 1872, George Eliot, Middlemarch, Book II, chapter 17:

     ‘But a good wife—a good unworldly woman—may really help a man, and keep him more independent.’

3. Not belonging to this world; celestial.
   • 1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 35:

     This creature from a higher world has not forgotten all that he knew before; he retains his unworldly talents and supreme intelligence.

4. Lacking sophistication.