cloistered

adj

1. Dwelling or raised in, or as if in, cloisters; solitary.

   “Cloistered friars and vestal nuns.”

   “In cloister'd state let selfish sages dwell, / Proud that their heart is narrow as their cell.”

2. Isolated, protected, hidden away for the sake of maintaining innocence.

   “[…]“The Vegan” is a less cloistered book, with bigger, more universal themes.”

3. Naive, lacking in worldliness.
4. Furnished with cloisters.

   “both the Greeks and Romans […]had commonly two cloiſtered open Courts, one serving for the Womens ſide, and the other for the Men”

verb

1. (form-of, participle, past)simple past and past participle of cloister