How to Say “Are You Crazy?” in Thai

คุณบ้าหรือเปล่า
khun ba rue plao
The English phrase "are you crazy?" can be translated into Thai as คุณบ้าหรือเปล่า (khun ba rue plao).
This phrase is used as a question to express disbelief or disapproval regarding someone's strange or irrational behavior.

What does it mean word for word?

The phrase คุณบ้าหรือเปล่า is composed of khun (you), ba (crazy) and rue plao (or not/is it?).

Which one should you use?

The form บ้าไปแล้วหรือ is a colloquial way to suggest that someone has already lost their mind.

Is there a formal and an informal way to say it?

Dropping the pronoun khun to say บ้าหรือเปล่า makes the expression more informal and is common when speaking among friends. The form บ้าไปแล้วหรือ is considered colloquial.

How do you pronounce it?

khun ba rue plao

Did you know?

  • If you want to sound more aggressive or truly angry, you can replace khun with mueng, a highly informal and sometimes rude pronoun used only among very close friends or in heated arguments.
  • The word บ้า is also used in the phrase บ้างาน to describe a 'workaholic', where being 'crazy' about something is seen as a sign of intense passion.
  • In Thai culture, calling someone 'crazy' in a formal setting is a severe social taboo and can be seen as a profound lack of respect regardless of the grammar used.

Examples in context

  • คุณบ้าหรือเปล่า
    khun ba rue plao
    Are you crazy?
  • จะไปเดินบนถนนคนเดียว คุณบ้าหรือเปล่า
    cha pai doen bon thanon khon diao khun ba rue plao
    Going to walk on the road alone, are you crazy?

Example conversation

A woman reacts to her friend's dangerous suggestion to jump a fence.

  1. กนกวรรณ Kanokwan

    คุณจะกระโดดรั้วสูงขนาดนั้น คุณบ้าหรือเปล่า
    khun cha kra-dot rua sung kha-nat nan khun ba rue plao
    You are going to jump such a high fence, are you crazy?
  2. ธีรภัทร Theeraphat

    ไม่หรอก ผมทำได้
    mai rok phom tham dai
    No, I can do it.
  3. กนกวรรณ Kanokwan

    มันอันตรายมากนะ
    man an-ta-rai mak na
    It is very dangerous.
  4. ธีรภัทร Theeraphat

    ไม่ต้องห่วงหรอกครับ
    mai tong huang rok khrap
    Don't worry.
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Liam Hayden
Liam HaydenHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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