She felt 'isolated' [='alone'] in her new school. [=she felt unhappy because of being separated from people she knew]
There have been reports of 'isolated' [='sporadic'] outbreaks of the disease.
Certain patients must be 'isolated from' the others in a separate ward.
(..) He fell to a share. The following year, his wife died, and he was left a childless widower... with an rating and a share. He became morose and isolated, began to drink heavily. On September , , he was fired... effective in two weeks. The news was broken to him (..)1976 Network