What does luk khrueng mean? Half Thai, ลูกครึ่ง, explained

Luk khrueng (ลูกครึ่ง, luuk khrueng) means a person whose parents are of different nationalities. In everyday Thai it almost always means someone with one Thai parent and one parent from somewhere else. If that’s you, you’ve almost certainly heard it said about you, and maybe wondered what exactly it means.

What does luk khrueng mean, word by word?

It’s two everyday words put together:

Thailand’s Royal Institute Dictionary, the official reference, defines ลูกครึ่ง as a child born to parents who are of different nationalities. It lists khrueng chaat (“half nationality”) as another way to say it, though you’ll hear luk khrueng far more often.

Note what the dictionary doesn’t say: it’s about parents and nationality, not about how you look, how much Thai you speak, or how often you go back.

How do you spell it: khrueng, krueng or kreung?

All of these are the same word. Thai uses its own script, so every Latin spelling is somebody’s attempt to write the sound down.

Why so many? RTGS doesn’t mark tones or long vowels, and its ue (the vowel in ครึ่ง) looks strange to English readers, so people improvise with eu or ue. The kh is a k with a puff of air, and many writers drop the h. If you’re searching, try them all. If you’re writing, pick one and don’t worry.

Is “luk khrueng” offensive or a compliment?

On its own, neither. It’s a plain dictionary word, and it’s the normal, neutral way Thai people say “mixed Thai”. Plenty of luk khrueng use it about themselves. The Reply Thai app teaches เป็นลูกครึ่ง (pen luuk khrueng, “I’m half Thai”) with one note: use it only if it’s a word you like for yourself.

What makes the question fair is the history around the word, and the comments that sometimes come with it:

• Stigma. In the Vietnam War era, many luk khrueng were children of American servicemen stationed in Thailand. A 2020 Prachatai English report on a photo exhibition of luk khrueng stories describes how children from those relationships were labelled “children of prostitutes”.
• Glamour. By the 1990s, luk khrueng faces became common in Thai film, TV, music and advertising. A 1997 Christian Science Monitor report quotes an advertising executive saying they were “very big at the moment”. A 2022 academic chapter by Mary Ainslie calls the luk khrueng performer “a ubiquitous figure in Thai entertainment”.
• Not the same for everyone. That same 2020 report links the fashion for luk khrueng to beauty standards that favour white skin. It says darker-skinned luk khrueng still face discrimination, and that some people are still told they’re “not really Thai”.

So the word is neutral, but the people using it aren’t always. If a remark stings, that’s real. And if you’d rather say “Thai and Swedish” or “Thai and British” than “half”, that’s your call. Many luk khrueng simply say they’re both. The photographer behind that 2020 exhibition, Aline Deschamps, put it like this: “identity is what you choose to make it.”

Where does the word come from?

The word itself is ordinary Thai. What changed over time is who it described and what people heard in it. The number of luk khrueng grew after the Second World War, as more Westerners lived in or visited Thailand. In the 1960s and 1970s, many were children of American servicemen, and that’s when the stigma above took hold. Later generations were born to Western residents of Thailand, to Thais who studied abroad, and to families all over the world. Today a luk khrueng might live in Bangkok, Stockholm, Manchester or Melbourne.

Are Thai-Chinese families called luk khrueng?

Usually not. People with Thai and Chinese ancestry are normally described with a different phrase, chao thai chuea saai jiin (“Thai people of Chinese descent”), rather than luk khrueng. In practice, luk khrueng mostly means one Thai parent and one parent from further away. Language follows habit here, not genetics.

Are you “really” Thai?

Yes, by family. Nobody gets to grade that. It doesn’t depend on your Thai, your face or your passport.

It’s also often true on paper. Thailand’s Ministry of Foreign Affairs says that “a child who was born to either or both Thai parents is qualified for Thai citizenship”, and a child born abroad to a Thai mother can be registered through a Thai embassy. Whether you’re registered yet is a separate, practical question. Our guide to getting a Thai passport covers the steps, and Thai dual citizenship covers keeping your other passport. Neither is legal advice, and your embassy has the final word on your case.

And if your Thai is mostly listening: research on heritage speakers is on your side. A 2022 study of heritage bilinguals found that cultural identification with the heritage language was predicted by how well people understood it. Following the conversation at dinner counts. More on that in why your Thai sounds like your mum.

What do you say when someone asks if you’re luk khrueng?

It comes up a lot, and it’s usually curiosity, not unkindness. (Its cousin, “Where are you really from?”, is the free square on our luk khrueng bingo card.) You might hear something like ไม่เห็นเหมือนคนไทยเลย เป็นคนไทยจริงเหรอ (mai hen muean khon thai loei, pen khon thai jing rer): “You don’t look Thai at all. Are you really Thai?”

A short, warm answer does more than a long explanation:

เป็นคนไทย

pen khon thai

เป็นคนไทยครับ

pen khon thai khrap

เป็นคนไทยค่ะ

pen khon thai kha

Who is speaking?

ครับ said by a manค่ะ said by a woman

Draft: waiting for a native speaker’s review.

โตเมืองนอกแต่ใจยังเป็นคนไทย

toh mueang nork tae jai yang pen khon thai

โตเมืองนอกแต่ใจยังเป็นคนไทยครับ

toh mueang nork tae jai yang pen khon thai khrap

โตเมืองนอกแต่ใจยังเป็นคนไทยค่ะ

toh mueang nork tae jai yang pen khon thai kha

Who is speaking?

ครับ said by a manค่ะ said by a woman

Draft: waiting for a native speaker’s review.

Practise answering “are you really Thai?” in Reply Thai, coming soon to iPhone.

If the word is yours, เป็นลูกครึ่ง (pen luuk khrueng) works too, or name both sides: ลูกครึ่งไทยสวีเดน (luuk khrueng thai sa-wii-den), “half Thai, half Swedish”. Add ครับ (khrap) if you’re a man or ค่ะ (kha) if you’re a woman when you’re talking to someone older.

These lines come from the Thai and proud moment in Reply Thai, where you practise talking about who you are and where your family is from, out loud, before the question catches you at a family dinner. More words like this are in our glossary and on Say it in Thai.

Curious why your cousins are called Ball and Bank? That’s its own story: Thai nicknames, explained.

Thai words on this page are a draft until a native speaker has reviewed them.