This is the 4208th most frequent French word.
durcit
"Durcit" means "hardens" or "becomes hard."
The verb 'durcit' describes the action of becoming harder or more solid due to external conditions.
Le vent froid durcit la surface de l'eau.
The cold wind hardens the surface of the water.
Here, 'durcit' metaphorically portrays a change in emotional or behavioral expression to a firmer or stricter demeanor.
Son regard se durcit quand il est énervé.
His gaze hardens when he is upset.
In this context, 'durcit' refers to making rules stricter or more rigorous in response to specific situations.