How do you say Dear in Thai?

There isn't a single direct translation of "Dear" in Thai that works for all situations. It depends on who you're addressing and the context:

Formal:

* คุณ (khun): This is the most common and polite way to address someone formally, similar to "Mr.", "Ms.", or "Mrs." You would use it before the person's name, like "คุณนก" (Khun Nok) for "Dear Ms. Nok."

* ท่าน (taan): This is a very formal and respectful term, often used for people of high status or authority. It's similar to "Your Excellency" or "Your Honor."

Informal:

* ที่รัก (tee rak): This literally translates to "beloved" and is used for close friends, family members, or romantic partners. It's a very intimate and affectionate term.

* พี่ (pii): This means "older brother/sister" and is used for someone older than you, but it can also be used affectionately for close friends.

* น้อง (nong): This means "younger brother/sister" and is used for someone younger than you, but it can also be used affectionately for close friends.

For Letters and Emails:

* เรียน (rian): This translates to "to" and is used at the beginning of letters and emails to address the recipient. You would then follow it with the person's name or title.

Example:

* เรียน คุณนก (rian khun nok): This means "Dear Ms. Nok" and is used at the beginning of a formal letter or email.

It's important to choose the right term based on the level of formality and your relationship with the person you're addressing.