A1 Adjectives 3 min read Fácil

Cores em tailandês

In Thai, place the noun before the color, and skip the 'is' verb entirely.
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Grammar Rule in 30 Seconds

In Thai, adjectives like colors always come AFTER the noun they describe.

  • Place the color after the noun: 'Car' + 'Red' = 'Red car'.
  • Use 'sii' (color) before the color name for clarity: 'sii daeng' (red color).
  • No 'to be' verb is needed when using a color as an adjective.
Noun + (sii) + Color

Overview

Overview...

Meanings

Color adjectives in Thai function as post-nominal modifiers, meaning they follow the noun they describe to provide visual information.

1

Direct Adjective

Used to describe the physical color of an object.

“เสื้อสีฟ้า (suea sii fa) - Blue shirt”

“ปากกาสีดำ (pakka sii dam) - Black pen”

Color Adjective Structure

Function Structure Example Meaning
Affirmative Noun + sii + Color รถสีแดง Red car
Negative Noun + mai + sii + Color รถไม่สีแดง Car is not red
Question Noun + sii + Color + mai รถสีแดงไหม Is the car red?
Light Shade Noun + sii + Color + on สีแดงอ่อน Light red
Dark Shade Noun + sii + Color + khem สีแดงเข้ม Dark red
Bright Shade Noun + sii + Color + sod สีแดงสด Bright red

Reference Table

Reference table for Cores em tailandês
Color Thai Pronunciation Category
Red สีแดง sǐi-dɛɛng Primary
Blue สีฟ้า sǐi-fáa Primary
Green สีเขียว sǐi-khǐao Primary
Black สีดำ sǐi-dam Neutral
White สีขาว sǐi-khǎao Neutral
Yellow สีเหลือง sǐi-lʉ̌ang Primary

Espectro de formalidade

Formal
รถคันนี้มีสีแดง

รถคันนี้มีสีแดง (Describing a vehicle)

Neutro
รถสีแดง

รถสีแดง (Describing a vehicle)

Informal
รถแดง

รถแดง (Describing a vehicle)

Gíria
รถแดงแจ๋

รถแดงแจ๋ (Describing a vehicle)

Color Structure

NOUN

Color

  • sǐi color prefix
  • dɛɛng red

Thai vs English Color Order

English
Red car Adjective + Noun
Thai
Rót sǐi-dɛɛng Noun + Adjective

Coloring Objects

1

Is it a color?

YES
Add sǐi
NO
Keep as is
2

Is it after the noun?

YES
Correct!
NO ↓

Common Colors

🎨

Vibrant

  • • sǐi-dɛɛng
  • • sǐi-fáa
  • • sǐi-khǐao
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Examples by Level

1

รถสีแดง

Red car

2

เสื้อสีขาว

White shirt

3

ปากกาสีดำ

Black pen

4

บ้านสีฟ้า

Blue house

1

รถคันนี้สีแดงไหม

Is this car red?

2

เสื้อตัวนี้ไม่สีขาว

This shirt is not white

3

ฉันชอบปากกาสีดำ

I like the black pen

4

บ้านหลังนั้นสีฟ้า

That house is blue

1

ฉันอยากได้เสื้อสีแดงอ่อน

I want a light red shirt

2

รถสีเขียวเข้มคันนั้นสวยมาก

That dark green car is very beautiful

3

คุณมีปากกาสีน้ำเงินไหม

Do you have a blue pen?

4

ผนังห้องนี้เป็นสีเหลือง

The walls of this room are yellow

1

สีม่วงเป็นสีที่ฉันชอบที่สุด

Purple is my favorite color

2

เขาใส่เสื้อสีส้มสดใสไปงานปาร์ตี้

He wore a bright orange shirt to the party

3

สีเทาทำให้ห้องดูทันสมัยขึ้น

Gray makes the room look more modern

4

ดอกไม้สีชมพูบานสะพรั่งในสวน

Pink flowers are blooming in the garden

1

สีทองสื่อถึงความมั่งคั่งในวัฒนธรรมไทย

Gold represents wealth in Thai culture

2

ท้องฟ้ายามเย็นเปลี่ยนเป็นสีส้มอมแดง

The evening sky turned a reddish-orange

3

การใช้สีโทนเย็นช่วยให้รู้สึกผ่อนคลาย

Using cool-toned colors helps one feel relaxed

4

สีน้ำตาลเข้มให้ความรู้สึกอบอุ่นและเป็นกันเอง

Dark brown gives a warm and friendly feeling

1

สีครามเป็นสีดั้งเดิมที่ใช้ย้อมผ้าในสมัยก่อน

Indigo was a traditional color used for dyeing cloth in the past

2

เฉดสีเขียวมรกตดูหรูหราและมีระดับ

Emerald green shades look luxurious and classy

3

สีขาวนวลมักถูกใช้ในงานพิธีการที่สำคัญ

Off-white is often used in important ceremonial events

4

สีแดงชาดเป็นสีที่มีความหมายลึกซึ้งในงานศิลปะไทย

Vermilion red is a color with deep meaning in Thai art

Easily Confused

Thai Colors: How to describe things vs Color vs. Color Name

Learners mix up the color itself with the word 'color'.

Thai Colors: How to describe things vs Adjective vs. Verb

Learners try to use 'is' (pen/yu) with colors.

Thai Colors: How to describe things vs Noun-Adjective Order

Learners use English word order.

Erros comuns

✗

แดงรถ

✓

รถสีแดง

English word order interference.
✗

รถแดง

✓

รถสีแดง

Missing the 'sii' prefix makes it sound incomplete.
✗

รถเป็นสีแดง

✓

รถสีแดง

Unnecessary use of 'pen' (to be).
✗

สีแดงรถ

✓

รถสีแดง

Total word order reversal.
✗

รถไม่แดง

✓

รถไม่สีแดง

Missing 'sii' in negative.
✗

รถสีแดงไหมครับ

✓

รถสีแดงไหม

Politeness particles are fine, but structure must be correct.
✗

รถสีแดงไม่

✓

รถสีแดงไหม

Wrong placement of question particle.
✗

รถสีแดงอ่อนเข้ม

✓

รถสีแดงอ่อน

Mixing two shades.
✗

รถสีแดงมาก

✓

รถสีแดงสด

Using 'very' instead of 'bright'.
✗

รถสีแดงสวย

✓

รถสีแดงสวย

Actually correct, but often confused with 'beautiful red car'.
✗

สีแดงชาดรถ

✓

รถสีแดงชาด

Reverting to pre-nominal order for emphasis.
✗

รถสีแดงแบบ

✓

รถสีแดง

Adding unnecessary filler words.
✗

รถสีแดงที่สวย

✓

รถสีแดงสวย

Over-complicating with relative clauses.

Sentence Patterns

___ สี ___

___ สี ___ ไหม

ฉันชอบ ___ สี ___

___ สี ___ สวยมาก

Real World Usage

Shopping very common

เอาเสื้อสีขาวครับ

Texting constant

รถสีแดงนะ

Food Delivery common

ถุงสีแดง

Travel common

กระเป๋าสีฟ้า

Job Interview occasional

ใส่เสื้อสีขาว

Social Media very common

ท้องฟ้าสีสวย

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💡

The sǐi trick

Always use 'sǐi' before your color. It makes you sound like a local!
🎯

No 'is'

Forget the verb 'to be'. Just put the noun and color together.
💬

Politeness counts

Add 'khráp' (men) or 'khâ' (women) at the end for social grace.

Smart Tips

Always visualize the object first, then add the color.

Red car → Car red (rot sii daeng)

Use the 'sii' prefix to avoid confusion with brand names.

I want white → I want shirt color-white

Put the question particle at the very end.

Is the car red? → Car color-red [question particle]?

Add 'on' or 'khem' after the color.

Light red → Color-red light

Pronúncia

sǐi

Tone of 'sii'

The word 'sii' has a rising tone.

daeng

Tone of 'daeng'

The word 'daeng' has a mid tone.

Question

รถสีแดงไหม↗

Rising intonation at the end for questions.

Memorize It

Mnemonic

Think of a 'Color-Tail': The noun is the head, and the color is the tail that follows it.

Visual Association

Imagine a car driving by. As it passes, you see a red paint brush painting the back of the car. The car comes first, the color follows.

Rhyme

Noun comes first, color behind, that's the way the Thai words wind.

Story

You are in a shop. You point to a shirt (Noun). You then point to the color (Color). You say 'Shirt' then 'Color-White'. The shopkeeper understands perfectly.

Word Web

สีแดง (red)สีฟ้า (blue)สีขาว (white)สีดำ (black)สีเหลือง (yellow)สีเขียว (green)

Desafio

Look around your room for 5 minutes and name every object you see using the [Noun] + [sii] + [Color] pattern.

Notas culturais

Colors are associated with days of the week. Wearing the right color on the right day is considered lucky.

Thai color terms often derive from natural objects (e.g., 'daeng' from red clay, 'khao' from white rice).

Conversation Starters

“

เสื้อของคุณสีอะไร

“

คุณชอบรถสีอะไร

“

บ้านของคุณสีอะไร

“

สีอะไรที่เหมาะกับงานนี้

Journal Prompts

Describe your favorite outfit.
Describe the room you are sitting in.
What colors do you see in the street?
Why are colors important in your culture?
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Test Yourself

Fill in the blank with the correct color phrase.

The car is red: rót ______.

✓ Correct! ✗ Not quite. Correct answer: sǐi-dɛɛng
Thai adjectives follow the noun.
Find and fix the mistake. Error Correction

Find and fix the mistake:

sǐi-khǐao rót

✓ Correct! ✗ Not quite. Correct answer: rót sǐi-khǐao
Noun always comes before the color.

Score: /2

Exercicios praticos

8 exercises
Fill in the blank: รถ ___ แดง

รถ ___ แดง

✓ Correct! ✗ Not quite. Correct answer: สี
The structure is Noun + sii + Color.
Which is correct? Múltipla escolha

Which is correct?

✓ Correct! ✗ Not quite. Correct answer: รถสีแดง
Noun + sii + Color is the correct order.
Correct the sentence: แดงรถ Error Correction

Find and fix the mistake:

แดงรถ

✓ Correct! ✗ Not quite. Correct answer: รถสีแดง
Noun must come first.
Order the words: แดง / รถ / สี Sentence Building

แดง / รถ / สี

✓ Correct! ✗ Not quite. Correct answer: รถสีแดง
Noun + sii + Color.
Translate: White shirt Tradução

White shirt

✓ Correct! ✗ Not quite. Correct answer: เสื้อสีขาว
Noun + sii + Color.
Match the color to the English Match Pairs

Match: สีดำ

✓ Correct! ✗ Not quite. Correct answer: Black
สีดำ means black.
Make it negative: รถสีแดง Conjugation Drill

Make it negative: รถสีแดง

✓ Correct! ✗ Not quite. Correct answer: รถไม่สีแดง
Add 'mai' before 'sii'.
Make it a question: รถสีแดง Sentence Transformation

Make it a question: รถสีแดง

✓ Correct! ✗ Not quite. Correct answer: รถสีแดงไหม
Add 'mai' at the end.

Score: /8

Practice Bank

2 exercises
Complete the phrase. Preencher as lacunas

Black shirt: sʉ̂a ______.

✓ Correct! ✗ Not quite. Correct answer: sǐi-dam
Fix the word order. Error Correction

sǐi-fáa thá-lay (blue sea)

✓ Correct! ✗ Not quite. Correct answer: thá-lay sǐi-fáa

Score: /2

Perguntas frequentes (8)

It is highly recommended for clarity, though sometimes omitted in very casual speech.

Yes, when the color is the subject of the sentence, it acts as a noun.

Thai is a different language family; it naturally places adjectives after the noun.

Add 'on' for light and 'khem' for dark after the color name.

No, Thai does not have plural forms for adjectives.

Yes, but be careful as it can be sensitive depending on the context.

Just remember: Noun first, description second.

Very few; this is a core rule for Thai adjectives.

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In Other Languages

Spanish partial

Coche rojo

Thai adjectives do not change for gender or number.

French partial

Voiture rouge

French adjectives must agree with the noun.

German low

Rotes Auto

Thai word order is the exact opposite.

Japanese low

Akai kuruma

Thai uses post-nominal modification.

Arabic partial

Sayyara hamra

Arabic adjectives agree in gender and number.

Chinese low

Hongse de che

Thai word order is reversed.

Previous
Intensificadores tailandeses: Adicionando 'muito' e 'um pouco' (mak/noy)

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