A1 Honorifics & Register 3 min read آسان

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Using Khun, Phi, and Nong correctly is the fastest way to signal respect and build trust in Thai culture.
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Grammar Rule in 30 Seconds

Use 'Khun', 'Phi', or 'Nong' before names to show respect and define your social relationship with the person you are addressing.

  • Use 'Khun' for strangers, colleagues, or formal situations: 'Khun Somchai'.
  • Use 'Phi' for someone older than you: 'Phi Lek'.
  • Use 'Nong' for someone younger than you: 'Nong Joy'.
Title + Name = Respectful Address

مرور کلی

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Honorific Selection Guide

Relationship Title Formality Example
Stranger
Khun
High
Khun Som
Older
Phi
Medium
Phi Som
Younger
Nong
Medium
Nong Som
Boss
Khun
High
Khun Boss
Teacher
Khun/Ajarn
High
Khun Kru
Close Friend (Older)
Phi
Low
Phi Som

Meanings

These are social markers used before a person's name to indicate age hierarchy and social distance.

1

Khun

Neutral, polite address for anyone, especially strangers or superiors.

“คุณครูครับ”

“คุณสมชาย”

2

Phi

Used for people older than the speaker (elder sibling).

“พี่สม”

“พี่สาว”

3

Nong

Used for people younger than the speaker (younger sibling).

“น้องจอย”

“น้องครับ”

Reference Table

Reference table for ...
Title Meaning Context Use Case
Khun
Mr./Ms./You
Neutral/Polite
Strangers/Clients
Phi
Older Sibling
Respectful
Older friends/peers
Nong
Younger Sibling
Affectionate
Younger friends/juniors

طیف رسمیت

رسمی
สวัสดีครับ คุณสมชาย สบายดีไหมครับ

สวัสดีครับ คุณสมชาย สบายดีไหมครับ (Greeting)

خنثی
สวัสดีครับ พี่สม สบายดีไหม

สวัสดีครับ พี่สม สบายดีไหม (Greeting)

غیر رسمی
หวัดดี พี่สม เป็นไงบ้าง

หวัดดี พี่สม เป็นไงบ้าง (Greeting)

عامیانه
ไง พี่สม สบายดีป่ะ

ไง พี่สม สบายดีป่ะ (Greeting)

Thai Social Hierarchy

Social Title

Age+

  • Phi Older

Age-

  • Nong Younger

When to use what

Stranger
Khun Polite
Friend
Phi/Nong Close

Choosing your title

1

Is the person older?

YES
Use Phi
NO
Use Nong
2

Is it a stranger?

YES
Use Khun
NO ↓

Title Usage

👔

Formal

  • • Khun
😊

Casual

  • • Phi
  • • Nong
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مثال‌ها بر اساس سطح

1

สวัสดีครับ คุณสมชาย

Hello, Khun Somchai

2

พี่ครับ ขอเมนูหน่อย

Phi, may I have the menu?

3

น้องครับ เช็คบิลด้วย

Nong, check please.

4

คุณชื่ออะไรครับ

What is your name?

1

พี่สม สบายดีไหม

Phi Som, how are you?

2

น้องจอย ทำงานที่ไหน

Nong Joy, where do you work?

3

คุณหมอครับ ผมปวดหัว

Doctor, I have a headache.

4

พี่คนนี้ใจดีมาก

This person (older) is very kind.

1

ผมเรียกเขาว่าพี่เพราะเขาเก่งกว่า

I call him Phi because he is more skilled.

2

คุณสมหญิงเป็นหัวหน้าของผม

Khun Somying is my boss.

3

น้องคนนั้นเพิ่งเรียนจบ

That younger person just graduated.

4

เราควรใช้คุณกับคนที่ไม่รู้จัก

We should use Khun with people we don't know.

1

การเรียกพี่น้องเป็นวัฒนธรรมไทย

Calling people Phi/Nong is Thai culture.

2

คุณช่วยดูเอกสารนี้หน่อยได้ไหม

Khun, could you look at this document?

3

พี่ครับ รบกวนหน่อยครับ

Phi, sorry to bother you.

4

น้องครับ ช่วยหยิบของให้หน่อย

Nong, please help me pick that up.

1

การใช้คำนำหน้าชื่อสะท้อนถึงความสัมพันธ์

Using titles reflects the relationship.

2

คุณสมชายดูเป็นคนสุภาพมาก

Khun Somchai seems like a very polite person.

3

พี่เขาเป็นคนสอนผมเอง

That older person (Phi) taught me himself.

4

น้องคนนี้มีอนาคตไกล

This younger person (Nong) has a bright future.

1

การปรับเปลี่ยนคำนำหน้าชื่อเป็นศิลปะอย่างหนึ่ง

Adjusting titles is an art form.

2

คุณครับ ผมขออนุญาตสอบถาม

Khun, may I ask a question?

3

พี่ครับ วันนี้ว่างไหม

Phi, are you free today?

4

น้องครับ อย่าลืมทำการบ้านนะ

Nong, don't forget to do your homework.

به‌راحتی اشتباه گرفته می‌شود

Thai Honorifics (Khun, Phi, Nong) در مقابل Khun vs. Ajarn

Both are polite, but Ajarn is specifically for teachers.

Thai Honorifics (Khun, Phi, Nong) در مقابل Phi vs. Nong

Both are for people you know, but age is the key.

Thai Honorifics (Khun, Phi, Nong) در مقابل Khun vs. Name only

English speakers often use names alone.

اشتباهات رایج

✗

Name only

✓

Title + Name

It is rude to use names alone.
✗

Khun for friend

✓

Phi/Nong

Khun is too formal for friends.
✗

Nong for boss

✓

Khun

Nong is too casual for superiors.
✗

Phi for child

✓

Nong

Phi is for elders.
✗

Mixing titles

✓

Consistent title

Don't switch titles mid-conversation.
✗

Using title for self

✓

Use pronoun

Titles are for addressing others.
✗

Forgetting gender

✓

Titles are gender-neutral

Titles don't change by gender.
✗

Overusing Khun

✓

Use Phi/Nong

It creates distance.
✗

Using title as name

✓

Title + Name

It's a prefix, not a name.
✗

Ignoring context

✓

Use formal in business

Context matters.
✗

Using title for royalty

✓

Use royal terms

Royalty needs specific terms.

الگوهای جمله‌سازی

สวัสดีครับ ___ ___

___ ___ สบายดีไหม

___ ___ ทำงานที่ไหน

ขอบคุณครับ ___ ___

Real World Usage

Office constant

Khun Somchai, please sign this.

Restaurant very common

Phi, check please.

Social Media common

Phi, you look great!

Clinic common

Khun Mor, I feel sick.

Street occasional

Nong, where is the bus?

School constant

Khun Kru, I have a question.

برای دیدن همه مثال‌ها رایگان ثبت‌نام کنید
🎯

The Safe Bet

When in doubt, use Khun. You will never be wrong for being too polite.
💬

Age Matters

Thais often ask for age early on. It's not rude; they just want to know if they should call you Phi or Nong.

Smart Tips

Always start with Khun.

Somchai, hello. → Khun Somchai, hello.

Use Phi or Nong.

Hey, menu. → Phi, may I have the menu?

Use Khun.

Hey, boss. → Khun Boss.

Use Phi or Nong.

Khun Som, let's eat. → Phi Som, let's eat.

تلفظ

/kʰǔn/

Khun

Pronounced with a rising tone.

/pʰī/

Phi

Pronounced with a flat tone.

/nɔ̀ŋ/

Nong

Pronounced with a low tone.

Polite

Title + Name + Krub/Ka

Shows respect.

حفظ کنید

روش یادسپاری

K-P-N: Khun is King (formal), Phi is Parent-like (older), Nong is Next-generation (younger).

تداعی تصویری

Imagine a ladder. Khun is the top rung (respect), Phi is the rung above you, and Nong is the rung below you.

Rhyme

Khun for the stranger you meet on the street, Phi for the elder you're happy to greet, Nong for the younger, keep it all sweet.

Story

I met Khun Som at the office. He introduced me to Phi Lek, who is older. Then I saw Nong Joy, who is younger. Now I know everyone's place.

شبکه واژگان

KhunPhiNongAjarnKhun KruPi-Nong

چالش

Go to a Thai restaurant and address the server as 'Nong' or 'Phi' based on their age.

نکات فرهنگی

Age is the most important factor in social interaction.

They use similar titles but with different accents.

They use local variations of these titles.

These titles originate from kinship terms adapted for social use.

شروع‌کننده‌های مکالمه

“

คุณชื่ออะไรครับ

“

พี่ชื่ออะไรครับ

“

น้องคนนี้ชื่ออะไรครับ

“

คุณสมชายครับ วันนี้ว่างไหม

موضوعات نگارش

Write about a person you met today using the correct title.
Describe your boss or teacher using the correct title.
Explain why you chose a specific title for a friend.
Reflect on a time you used the wrong title.

اشتباهات رایج

Incorrect

صحیح

Incorrect

صحیح

Incorrect

صحیح

Incorrect

صحیح

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Test Yourself

Fill in the blank

If you meet someone older than you at work, call them ___.

✓ Correct! ✗ Not quite. Correct answer: Phi
Phi is used for those older than you.
Which title is best for a complete stranger? چند گزینه‌ای

Which title is best for a complete stranger?

✓ Correct! ✗ Not quite. Correct answer: Khun
Khun is the safest, most polite neutral title.

Score: /2

تمرین‌های عملی

8 exercises
Fill in the correct title.

___ Somchai (stranger)

✓ Correct! ✗ Not quite. Correct answer: Khun
Khun is for strangers.
Which is correct for an older friend? چند گزینه‌ای

Which title?

✓ Correct! ✗ Not quite. Correct answer: Phi
Phi is for elders.
Fix the sentence. Error Correction

Find and fix the mistake:

Somchai, hello.

✓ Correct! ✗ Not quite. Correct answer: Khun Somchai, hello
Need a title.
Reorder the sentence. Sentence Reorder

Somchai / Khun / Hello

✓ Correct! ✗ Not quite. Correct answer: Hello Khun Somchai
Title before name.
Translate to Thai. ترجمه

Hello, Phi Som.

✓ Correct! ✗ Not quite. Correct answer: สวัสดีครับ พี่สม
Phi is for elder.
Match title to meaning. جفت کردن

Khun - Stranger

✓ Correct! ✗ Not quite. Correct answer: True
Khun is for strangers.
Who do you call Nong? چند گزینه‌ای

Who?

✓ Correct! ✗ Not quite. Correct answer: Younger person
Nong is for juniors.
Fill in the blank.

___ Joy (younger)

✓ Correct! ✗ Not quite. Correct answer: Nong
Nong is for juniors.

Score: /8

سوالات متداول (8)

Yes, it is the safest choice.

You can just use the title, e.g., 'Phi'.

No, it is gender-neutral.

It implies you are equals or that they are your subordinate.

Only if they are much younger and you are close.

Ajarn is for teachers/professors.

Yes, in emails and texts.

You can ask 'Phi age how much?'

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

برای تمرین رایگان ثبت‌نام کنید

In Other Languages

Japanese high

San/Kun/Chan

Thai uses prefixes before the name.

Chinese high

Ge/Jie/Di/Mei

Thai is more formal with 'Khun'.

English low

Mr./Ms.

Thai titles change based on age.

Spanish low

Señor/Señora

Thai is gender-neutral.

German low

Herr/Frau

Thai is more flexible.

Arabic low

Sayyid/Sayyida

Thai uses family terms.

Learning Path

Prerequisites

Previous
ضمایر تایلندی برای مبتدیان
Next
جمع بستن ضمایر در زبان تایلندی (puak)

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