Formal:
* प्रिय (priya): This is the most common and formal translation, often used for addressing someone respectfully.
* आदरणीय (aadraniy): This is more formal and respectful than "priya", often used for addressing someone of higher status or in a formal setting.
Informal:
* प्यारे (pyaare): This is a more affectionate and informal term, often used for close friends or loved ones.
* जानू (jaanoo): This is a very informal term of endearment, often used between romantic partners.
Other options:
* प्यारा (pyaara): This is a general term of endearment, suitable for both formal and informal settings.
* मनमोहक (manmohak): This word means "charming" or "captivating" and can be used to express endearment.
The best translation will depend on the specific situation and your relationship with the person you are addressing.