This is the 11707th most frequent French word.
sereins
Calm, serene, or tranquil.
The adjective "sereins" describes the emotional state of the students as being tranquil and unperturbed.
Les élèves sont sereins avant leur examen.
The students are calm before their exam.
Here, "sereins" is used to describe the state of the skies, emphasizing their peaceful and unclouded nature.
Après la tempête, les cieux étaient sereins.
After the storm, the skies were serene.
In this sentence, "sereins" refers to the attitude or demeanor required to handle difficulties thoughtfully and calmly.