This is one of the most pervasive water quality problems in Europe.

The most pervasive piece of artillery equipment was the horse.

But the most pervasive problem is the boredom - the police officers' and everyone else's.

The still photograph is the best and most pervasive means of visual communication in the world.

The distinction between night and day is one of the most pervasive rhythms that we experience.

We had come to Ireland for the music, but here the most pervasive sound was that of water rushing below our window.

Water and energy are among the most pervasive issues facing the agriculture sector.

"But in fact they present the most pervasive program of government intrusion into personal freedom."

The economic pull of the video market is perhaps the most pervasive force.

Probably the most pervasive is one influenced by Japanese cooking.