serio[Espagnol]

adjectif satellite
1 : of great consequence; "marriage is a serious matter"
2 : appealing to the mind; "good music"; "a serious book"
3 : hard to endure; "fell upon trying times"
4 : not distracted by anything unrelated to the goal
adjectif
1 : concerned with work or important matters rather than play or trivialities
Definitions