raison d'être Formal
Meaning: Your raison d'être is your reason for living, or the most important thing in your life.
- When he was young, Carl's raison d'être was enjoying life and exploring its possibilities. But after he got married and had kids, it was all about his family.
- Barbara says her company's raison d'être has always had as much to do with serving the community as with generating profits.
My great aunt's raison d'être had been her work. For her,