to live longer than circumstances warrant. • John has a terminal disease, and he's living on borrowed time. • This project is living on borrowed time. It is overdue for completion.
live on borrowed time|borrowed time|live|time
v. phr. To live or last longer than was expected. Ever since his operation, Harvey felt he was living on borrowed time.Mr. Brown was living on borrowed time because a year ago the doctors had told him he would only live six months.