He could almost sense the presence of some great barrier in her mind.

Perhaps that is not necessarily so great a barrier, however.

What is the great barrier you have overcome in your career?

They are a greater barrier than even I could guess.

In thousands of years, few had been through the great barrier and back.

But the building would present an even greater barrier for anyone trying to reach the waterfront.

Dessert is one of the last great barriers between cultures.

Politics, both international and domestic, are proving a far greater barrier than technology.

Particularly among blacks, studies have found, race remains a greater barrier to integration than class.

Was the lowering of those barriers any greater a sacrifice?