No, more than that: an essential person in my life.
The audience could tell that an essential element was missing.
Hobsbaum believed that an essential part of a student's course was the rigorous discussion of texts.
He makes painfully clear that an essential part of his job is helping his clients say goodbye to their animals.
They seem to agree that an essential part of any overhaul should be legalizing 11 million undocumented immigrants.
It is known that an essential first step is for the virus to lock on to a molecule on the cell surface called a receptor.
Under the pressure of the financial markets, the awareness has spread that an essential economic precondition for the constitutional project was neglected when the euro was introduced.
"I said that, in principle, trustees are always happy to consider any loan request, but that an essential precondition is recognition of the museum's ownership.
Mr. Rivera repeatedly used the phrase "the Bush-Spitzer cuts," and said that an essential part of the campaign's message in New York would link the governor, a Democrat, to the president, a Republican.
Mr. Rumsfeld said he feels that an essential part of his job is keeping America pointed to true north, or at least true north as guided by his compass, during the campaign against terror.
They may come to believe, too, that an essential trait separates them from the rest of humanity -- the same sort of feeling most Americans have about races, ethnic groups and religions.
