Formal:
* رجل وسيم (rajul wasim): This is the most common and neutral way to say "handsome man."
* رجل جميل (rajul jamil): This is similar to "wasim" but slightly more formal.
Informal:
* شاب وسيم (shab wasim): This is used for a younger man, emphasizing his youth.
* حلو (hilu): This is a more casual and affectionate way to say "handsome" for any man.
Romantic:
* جميل جداً (jamil jiddan): This means "very beautiful" and is often used for a romantic interest.
* حبيب قلبي (habib qalbi): This means "love of my heart" and is used for someone you are deeply in love with.
The best choice will depend on the specific situation and the relationship you have with the person you are talking about.