Simple past tense and past participle of sever.(verb)
Separated, cut off or broken apart(adjective)
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Use "severed" in a sentence
"With the mandate severed from the bill, insurance costs will jump even faster than CBO expects."
"What, in that flash of instant when his brain was severed from the rest of his body,"
"At the start, Munro has been severed from a dominant global communications network, the World Ear (WE): something akin to the popular social networking site Facebook, implanted into a person's head, allowing communications between people at vast speeds, with the ability to gather information as fast as can be thought up."