界 (jiè): world, boundary

界 (jiè) is a Chinese character meaning “world, boundary.” Classified as HSK Level 3 (HSK 3.0 Standard, CLEC 2022), it is composed of 田 (semantic) and 介 (phonetic). It ranks #288 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 界 farm. Its radical form 田 (field) appears in many related characters such as 电 (diàn, lightning), 男 (nán, male), 由 (yóu, to follow).

Spoken pronunciation

Definitions

  1. world, boundary

Etymology & Origin

界

pictophoneticfarm

Decomposition: ⿱田介 (layout: top-bottom)

Stroke Order

1
2
3
4
5
6
7
8
9

Practice writing 界 with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.

Words & Compounds

HSK Vocabulary with 界

WordPinyinMeaningHSK
世界nounshì jièworld3
外界nounwài jièthe outside world6

Common Compounds

WordPinyinMeaning
全世界adjectivequán shì jièworldwide
边界nounbiān jièboundary
界限nounjiè xiànboundary
世界大战shì jiè dà zhànworld war
越界verbyuè jièto cross a border
境界nounjìng jièboundary
第三世界proper-noundì sān shì jièThird World
大开眼界dà kāi yǎn jiè(idiom) to broaden one's horizons greatly
世界级adjectiveshì jiè jíworld-class
世界杯nounshì jiè bēiWorld Cup
新闻界nounxīn wén jièthe press
界线nounjiè xiànlimits
自然界zì rán jiènature
眼界nounyǎn jiè(lit. and fig.) field of vision
国界nounguó jiènational boundary
103
Total compounds
16
As first character
72
As last character
13
As middle character

界 appears in 103 compound words: 16 as the first character, 72 as the last, and 13 in a middle position. Compound statistics computed from SUBTLEX-CH and HSK 3.0 vocabulary data.

Strongest Collocations

Characters that most frequently co-occur with 界 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

世shì
0.810684,222 co-occurrences
杯bēi
0.51719,132 co-occurrences
边biān
0.50830,340 co-occurrences
租zū
0.49517,586 co-occurrences
各gè
0.46852,092 co-occurrences
锦jǐn
0.4195,680 co-occurrences
巡xún
0.41714,874 co-occurrences
交jiāo
0.40438,032 co-occurrences
乒pīng
0.3841,021 co-occurrences
乓pāng
0.383961 co-occurrences

Idioms & Chengyu (13)

悲惨世界bēi cǎn shì jièHSK 7+

Les Misérables (1862) by Victor Hugo 維克多·雨果|维克多·雨果

phrase
楚河汉界chǔhéhànjièHSK 3+

the boundary between the spheres of influence of two parties at war; the separation line between two sides

phrase
大开眼界dà kāi yǎn jièHSK 3+

(idiom) to broaden one's horizons greatly

phrase
大千世界dàqiānshìjièHSK 3+

trichiliocosm (billion-fold universe); the boundless universe

noun
第二世界Dì-èr ShìjièHSK 3+

Second World

第三世界Dì-sān ShìjièHSK 3+

Third World

第一世界Dì-yī ShìjièHSK 3+

First World

各界人士gèjiè rénshìHSK 4+

people from all walks of life

noun
世界大战shì jiè dà zhànHSK 5+

world war

phrase
世界纪录shìjiè jìlùHSK 5+

world record

noun
世界末日shìjiè mòrìHSK 3+

end of the world; apocalypse

noun
世界屋脊shìjiè wūjǐHSK 7+

the Roof of the World

Showing 12 of 13 idioms containing 界.

Example Sentences

AI-Generated

这个领域的技术发展很快,需要不断学习新知识。

Zhè gè lǐngyù de jìshù fāzhǎn hěn kuài, xūyào bùduàn xuéxí xīn zhīshi.

Technology in this field is developing rapidly; continuous learning of new knowledge is needed.

東方日報Feb 2026

【东方日报世界视线】美国若击败伊朗 战火或延至台海

dōng fāng rì bào shì jiè shì xiàn měi guó ruò jī bài yī lǎng zhàn huǒ huò yán zhì tái hǎi

If the United States defeats Iran, the war may extend to the Taiwan Strait

東方日報Feb 2026

世界视线:美国若击败伊朗 战火或延至台海

shì jiè shì xiàn : měi guó ruò jī bài yī lǎng zhàn huǒ huò yán zhì tái hǎi

World Perspective: If the United States defeats Iran, the war may extend to the Taiwan Strait

Yahoo FinanceFeb 2026

业界倡上调基本免税额一成 预算案料难大派糖 ...

yè jiè chàng shàng diào jī běn miǎn shuì é yī chéng yù suàn àn liào nán dà pài táng . . .

The industry advocates raising the basic tax exemption by 10%, and the budget is difficult to distribute sugar...

百度新闻Feb 2026

2026年世界知识产权报告:创新传播速度达历史新高

nián shì jiè zhī shí chǎn quán bào gào chuàng xīn chuán bō sù dù dá lì shǐ xīn gāo

2026 World Intellectual Property Report: Innovation Dissemination Reaches Historic High

百度新闻Feb 2026

3000株蝴蝶兰凑在一起干什么?世界花卉大观园新春..

zhū 蝴 蝶 lán còu zài yī qǐ gān shén má ? shì jiè huā huì dà guàn yuán xīn chūn . .

What's the point of gathering 3,000 Phalaenopsis orchids together? World Floral Expo Spring Festival...

Tatoeba

这个世界是灿烂的吗?

Zhège shìjiè shì cànlàn de ma?

Is it splendid, this world?

Tatoeba

世界就是一个疯子的囚笼。

Shìjiè jiùshì yī gè fēngzi de qiú lóng.

The world is a den of crazies.

Tatoeba

在我看来,澳洲是世界上最好的国家之一。

Zàiwǒkànlái, àozhōu shì shìjiè shàng zuì hǎo de guójiā zhīyī.

In my opinion, Australia is one of the best countries in the world.

Tatoeba

伦敦是全世界最大的城市之一。

Lúndūn shì quánshìjiè zuì dà de chéngshì zhīyī.

London is among the world's largest cities.

Character Family

Semantic Family — Characters sharing the 田 (farm) component

田 Radical Family — Characters sharing the field radical

Homophones — Characters pronounced jiè

Frequently Asked Questions

What does 界 (jiè) mean in Chinese?
界 (jiè) primarily means "world, boundary." It is classified as HSK Level 3, making it a beginner-level character. It ranks #288 in character frequency.
What's the difference between 界 and 价?
界 (jiè) and 价 (jià) are often confused. confusable. The key distinguishing feature: 田 vs 亻 (same 介 component).
How many strokes does 界 have?
界 is written with 9 strokes. The correct stroke order matters for recognition and handwriting speed — practice with the animated guide above to build proper technique.
What is the radical of 界?
The radical associated with 界 is 田 (field). This radical appears in many characters related to field.
What are the components of 界?
界 is composed of: 田 (semantic), 介 (phonetic). Its IDS decomposition is ⿱田介 with a top-bottom layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 界?
Common words with 界 include: 世界 (shì jiè, "world"); 全世界 (quán shì jiè, "worldwide"); 外界 (wài jiè, "the outside world"); 边界 (biān jiè, "boundary"); 界限 (jiè xiàn, "boundary"). There are over 103 compound words containing this character.
What characters sound the same as 界 (jiè)?
Several characters share the pronunciation jiè: 阶 (rank or step), 芥 (mustard), 接 (to receive, to connect), 结 (knot, result), and 4 more. Context and tones help distinguish between them in speech and writing.
Is 界 the same in simplified and traditional Chinese?
Yes, 界 is written the same way in both simplified and traditional Chinese.

Practice writing 界 with real-time feedback

Trace stroke sequences, hear spoken pronunciation, and build lasting retention with spaced repetition in the HanziFeed app.

Character data sourced from Unihan (Unicode Consortium), SUBTLEX-CH frequency corpus (Cai & Brysbaert, 2010), and Make Me a Hanzi (stroke data). Collocation strength measured via NPMI (Normalized Pointwise Mutual Information). Verified by the HanziFeed linguistics team.

HSK classification follows the HSK 3.0 Standard (Center for Language Education and Cooperation, CLEC, 2022 revision). Idiom data from Wiktionary (CC BY-SA 3.0).

Data last verified: March 2026.