silentfriction

noun
UK /ˈsaɪlənt ˈfrɪkʃən/
US /ˈsaɪlənt ˈfrɪkʃən/

A quiet rubbing that you cannot hear.

The silent friction of the rope against the wood made no sound at all.


OTHER MEANINGS

2. A disagreement between people that nobody talks about.

There was a silent friction between the two neighbors for years.

3. A hidden force that slows things down without making noise.

The silent friction in the old machine slowed the wheels.

4. The slow, quiet wearing away of something over time.

Years of silent friction had smoothed the stone steps.