For "crazy" or "insane":
* Fou/folle (masculine/feminine) - This is the most common translation for "mad" in the sense of being mentally unstable or irrational.
* Dément/démente (masculine/feminine) - This is another translation for "mad" in the sense of being mentally deranged.
* Fous/folles (masculine/feminine plural) - Used when referring to multiple people who are "mad".
For "angry":
* En colère - This translates to "angry" and is used when someone is feeling rage or irritation.
* Fâché/fâchée (masculine/feminine) - Another word for "angry," often used when someone is upset about something specific.
For "mad" in the sense of "angry" but more intense:
* Furieux/furieuse (masculine/feminine) - This translates to "furious" and indicates a strong sense of anger.
For "mad" in the sense of "enthusiastic":
* Passionné/passionnée (masculine/feminine) - This translates to "passionate" and is used when someone is very enthusiastic about something.
Example:
* "He's mad at me." -> "Il est en colère contre moi."
* "She's gone mad." -> "Elle est devenue folle."
* "He's mad about football." -> "Il est passionné de football."
It's important to consider the context and nuance of "mad" in English to choose the best translation.