'Isolated' in the Bible

Moreover, whoever enters the house during the time it was isolated is to be considered unclean until the evening.

So Miriam was isolated outside the camp for seven days and the people didn't travel until Miriam was brought in.

So Israel lives in confidence, isolated as the fountain of Jacob in a land of grain and new wine, where the heavens rain down dew.

I lie awake, yet I am like a bird isolated on a rooftop.