As a noun:
* Coffre-fort: This is the most common translation for "safe" when referring to a secure box for storing valuables.
* Casier: This translates to "locker" and can also be used for a safe, especially in a school or other public setting.
* Coffre: This translates to "chest" and can also be used for a safe, especially a larger, ornate one.
As an adjective:
* Sûr: This is the most common translation for "safe" when describing something that is secure or free from danger.
* Sain: This translates to "healthy" and can be used to describe something that is safe for consumption or use.
* Sécurisé: This translates to "secured" and can be used to describe something that is protected from unauthorized access.
Other meanings:
* Sauve: This translates to "safe" when referring to a safe haven or a place of refuge.
* Sauf: This translates to "except" or "safe" when used in a phrase like "sauf erreur."
Examples:
* "The coffre-fort was filled with gold." (The safe was filled with gold.)
* "The building is sûr from fire." (The building is safe from fire.)
* "The food is sain to eat." (The food is safe to eat.)
* "The website is sécurisé with a password." (The website is secured with a password.)
Note: The best translation will always depend on the specific context of the sentence.