Simple past tense and past participle of sequester.(verb)
Something that has already been separated.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "sequestered" in a sentence
"But that fact hides dramatic income inequality: while wealthy citizens live luxuriously in sequestered Guatemala City neighborhoods, the poor are barely noticed, living like feudal peasants in the countryside."
"He goes completely out of his way to try and keep her sequestered from the rest of the crew while he hustles to get a male replacement sent up."
"Spas used to conjure up visions of rich, fortysomething women, slathered, pummeled and anointed, sequestered from the world while a plastic surgeon's handiwork healed among plush surroundings, granola farms in Battle Creek, or extreme fitness."