Cloistered means kept away from the ordinary world. A cloistered life, a cloistered upbringing.
It began with monasteries and is now used of anybody sheltered from how things are. A cloistered existence is usually described by somebody who thinks it a mistake.
1adjectivecloisteredKept away from the ordinary world.
“He had a cloistered education and no idea what anything cost.”
cloistered is a quality.
Proto-Indo-European
*(s)kleh₂w-
Latin
claustrum — place shut in, bar, bolt, enclosure
Medieval Latin
claustrum — portion of monastery closed off to laity
Old English
clauster
Old French
cloistre
Middle English
cloistre
English
cloister
English, today
cloistered
Built from
cloister Recorded since about 1300 as Middle English cloistre, borrowed from Old French cloistre, clostre, or via Old English clauster, both from Medieval Latin claustrum (“portion of monastery closed off to laity”), from Latin claustrum (“place shut in, bar, bolt, enclosure”), a derivation of the past participle of claudere (“to close”). a doublet of claustrum.
Etymology from Wiktionary, CC BY-SA