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Her presence in the home became a source of friction.

But the sale price has been an ongoing source of friction between city and state officials.

This was a major source of friction and debate between the two groups.

There are, in any case, other sources of friction between them.

That's a source of friction at a very trying time.

My sister had always been a source of friction with Pete.

Trade had become a serious source of friction between the two countries.

The issue has been a source of friction for more than a year now.

It had been a source of friction between them for years.

Noise seems to be the most common source of friction.