Answer: cloistered

AnswerCrossword Clue
CLOISTEREDInsulated
CLOISTEREDSecluded
CLOISTEREDSeclusive
CLOISTEREDIn seclusion
cloisteredCLOISTER, to seclude (to remove or set apart from others)
cloisteredHaving or enclosed by a cloister, as in a monastery
cloisteredKept away from the outside world; sheltered