This is the 10075th most frequent French word.
grincent
"Grincent" means "creak" or "squeak" (third-person plural of the verb "grincer").
The word "grincent" is used to describe the creaking sound made by the doors while opening.
Les portes grincent en s'ouvrant.
The doors creak as they open.
In this example, "grincent" illustrates the creaky noise that worn-out car brakes make when operated.
Les freins de la voiture grincent lorsqu'ils sont usés.
The car brakes creak when they are worn out.
Here, "grincent" describes the squeaking sound made by the old wooden floors when stepped on.