基 (jī): base, foundation

基 (jī) is a Chinese character meaning “base, foundation.” Classified as HSK Level 4 (HSK 3.0 Standard, CLEC 2022), it is composed of 其 (phonetic) and 土 (semantic). It ranks #280 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 基 earth. Its radical form 土 (earth) appears in many related characters such as 在 (zài, to exist), 地 (dì, earth, ground), 场 (chǎng, field, place).

Spoken pronunciation

Definitions

  1. base, foundation

Etymology & Origin

基

pictophoneticearth

Decomposition: ⿱其土 (layout: top-bottom)

Stroke Order

1
2
3
4
5
6
7
8
9
10
11

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

Words & Compounds

HSK Vocabulary with 基

WordPinyinMeaningHSK
基本adjective/adverbjī běnbasic4
基地nounjī dìbase (of operations, industrial, military, research etc)6
基因nounjī yīngene (loanword)6
基金nounjī jīnfund6
基础nounjī chǔbase4
基本上adverbjī běn shangbasically4

Common Compounds

WordPinyinMeaning
基督proper-nounjī dūChrist (abbr. for 基利斯督 or 基利士督)
基于conjunctionjī yúbecause of
基金会jī jīn huìfoundation (institution supported by an endowment)
巴基斯坦proper-nounbā jī sī tǎnPakistan
基督徒nounjī dū túChristian
基督教proper-nounjī dū jiàoChristianity
比基尼nounbǐ jī ní(loanword) bikini
肯塔基proper-nounkěn tǎ jīKentucky, US state
军事基地jūn shì jī dìmilitary base
基督教徒nounjī dū jiào túa Christian
密尔沃基proper-nounmì ěr wò jīMilwaukee (city)
爱斯基摩proper-nounài sī jī móEskimo
地基noundì jīfoundations (of a building)
扬基proper-nounyáng jīYankee
基石nounjī shífoundation stone
106
Total compounds
58
As first character
37
As last character
5
As middle character

基 appears in 106 compound words: 58 as the first character, 37 as the last, and 5 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 基 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

础chǔ
0.70291,072 co-occurrences
峰fēng
0.664127,494 co-occurrences
奠diàn
0.52717,931 co-occurrences
督dū
0.524104,254 co-occurrences
本běn
0.492171,052 co-occurrences
特tè
0.492144,646 co-occurrences
坦tǎn
0.48331,020 co-occurrences
隆lóng
0.46928,681 co-occurrences
斯sī
0.468134,400 co-occurrences
甲jiǎ
0.45734,942 co-occurrences

Idioms & Chengyu (26)

爱斯基摩ÀisījīmóHSK 7+

Eskimo

氨基比林ān jī bǐ lín

aminopyrine (loanword)

phrase
氨基葡糖ān jī pú táng

glucosamine (abbr. for 氨基葡萄糖)

phrase
巴基斯坦BājīsītǎnHSK 7+

Pakistan (a country in South Asia)

共同基金gòngtóng jījīnHSK 4+

mutual fund

noun
赫尔辛基Hè'ěrxīnjīHSK 7+

Helsinki (a city, the capital city of Finland)

基本词汇jī běn cí huìHSK 5+

basic word

phrase
基本粒子jīběn lìzǐHSK 6+

elementary particle

noun
基础教育jīchǔ jiàoyùHSK 4+

basic education

noun
基础设施jīchǔ shèshīHSK 5+

infrastructure

noun
基地组织Jīdì ZǔzhīHSK 5+

al-Qaeda

基督新教JīdūxīnjiàoHSK 6+

Protestantism (Protestant Christian denomination)

Showing 12 of 26 idioms containing 基.

Example Sentences

AI-Generated

学习语言需要打好基础,从最基本的语法和词汇开始。

Xuéxí yǔyán xūyào dǎ hǎo jīchǔ, cóng zuì jīběn de yǔfǎ hé cíhuì kāishǐ.

Learning a language requires laying a good foundation, starting with the most basic grammar and vocabulary.

百度新闻Feb 2026

(新春走基层)从塔里木河到钱塘江:一颗“石榴籽”的...

xīn chūn zǒu jī céng cóng tǎ lǐ mù hé dào qián táng jiāng yī kē shí 榴 籽 de . . .

(From Tarim River to Qiantang River: A "Pomegranate Seed" of...

百度新闻Feb 2026

新春走基层丨护送万千乡愁 奔赴团圆之路

xīn chūn zǒu jī céng 丨 hù sòng mò qiān xiāng chóu bēn fù tuán yuán zhī lù

New Year walk grassroots 丨 escort thousands of nostalgia to the reunion road

百度新闻Feb 2026

新春走基层|拉萨:年货购销两旺 高原喜迎新年

xīn chūn zǒu jī céng lā sà nián huò gòu xiāo liǎng wàng gāo yuán xǐ yíng xīn nián

Spring Festival at the Grassroots Level | Lhasa: New Year Shopping Booms as Plateau Welcomes the New Year

百度新闻Feb 2026

新春走基层|如愿!守岛30年的海军“兵王”登上军...

xīn chūn zǒu jī céng rú yuàn ! shǒu dǎo nián de hǎi jūn bīng wáng dēng shǎng jūn . . .

New Year's Grassroots Tour | Wish Fulfilled! Navy's "Top Soldier" Who Guarded Island for 30 Years Reaches Military...

百度新闻Feb 2026

新春走基层丨95后潜水员与千年白鹤梁的水下之约

xīn chūn zǒu jī céng 丨 hòu qián shuǐ yuán yú qiān nián bái hè liáng de shuǐ xià zhī yāo

Spring Festival at the Grassroots Level | Post-95 Diver's Underwater Encounter with the Millennia-Old Baiheliang

Tatoeba

我乘几路车去怀基基?

Wǒ chéng jǐ lù chē qù huái jī jī?

What number bus do I take to get to Waikiki?

Tatoeba

你不懂基本逻辑吗?

Nǐ bù dǒng jīběn luóji ma?

Do you not understand basic logic?

Tatoeba

我们的遗传基因真的和黑猩猩几乎一样吗?

Wǒmen de yíchuán jīyīn zhēnde hé hēixīngxīng jīhū yīyàng ma?

Is it true that our genetic heritage is almost the same as that of chimpanzees?

Tatoeba

我们应该对人使用基因编辑吗?

Wǒmen yīnggāi duì rén shǐyòng jīyīn biānjí ma?

Should we use genetic engineering on people?

Character Family

Semantic Family — Characters sharing the 土 (earth) component

Homophones — Characters pronounced jī

Frequently Asked Questions

What does 基 (jī) mean in Chinese?
基 (jī) primarily means "base, foundation." It is classified as HSK Level 4, making it an upper-intermediate character. It ranks #280 in character frequency.
What's the difference between 基 and 期?
基 (jī) and 期 (qī) are often confused. confusable. The key distinguishing feature: 土 vs 月 (same 其 component).
How many strokes does 基 have?
基 is written with 11 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 基?
The radical associated with 基 is 土 (earth). This radical appears in many characters related to earth.
What are the components of 基?
基 is composed of: 其 (phonetic), 土 (semantic). Its IDS decomposition is ⿱其土 with a top-bottom layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 基?
Common words with 基 include: 基本 (jī běn, "basic"); 基地 (jī dì, "base (of operations, industrial, military, research etc)"); 基因 (jī yīn, "gene (loanword)"); 基金 (jī jīn, "fund"); 基督 (jī dū, "Christ (abbr. for 基利斯督 or 基利士督)"). There are over 106 compound words containing this character.
What characters sound the same as 基 (jī)?
Several characters share the pronunciation jī: 机 (machine, opportunity), 己 (self), 几 (how many), 计 (to calculate). Context and tones help distinguish between them in speech and writing.
Is 基 the same in simplified and traditional Chinese?
Yes, 基 is written the same way in both simplified and traditional Chinese.

Practice writing 基 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.