General "lavish":
* Somptueux/Somptueuse: This is the most common and direct translation, meaning luxurious and opulent.
* Magnifique: This means magnificent, which can also be used to describe something lavish.
* Luxueux/Luxueuse: This simply means luxurious.
"Lavish" in terms of spending:
* Prodigue: This means prodigal, referring to excessive spending.
* Fastueux/Fastueuse: This means lavish in terms of display and extravagance.
"Lavish" in terms of giving:
* Généreux/Généreuse: This means generous, which can be used to describe someone who gives lavishly.
The best translation will depend on the specific context.
For example:
* "The hotel had a lavish lobby." - "L'hôtel avait un somptueux hall d'entrée."
* "They threw a lavish party." - "Ils ont organisé une fête fastueuse."
* "She was known for her lavish gifts." - "Elle était connue pour ses cadeaux généreux."