字 (zì): letter, symbol, character

字 (zì) is a Chinese character meaning “letter.” Classified as HSK Level 1 (HSK 3.0 Standard, CLEC 2022), it is composed of 宀 (structural) and 子 (structural). It ranks #393 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 字 a child 子 in a house 宀; 子 also provides the pronunciation. Its radical form 子 (child) appears in many related characters such as 子 (zǐ, son), 学 (xué, to learn), 孩 (hái, (bound form) child).

Spoken pronunciation

Definitions

  1. letter
  2. symbol
  3. character

Etymology & Origin

字

ideographicA child 子 in a house 宀; 子 also provides the pronunciation

Decomposition: ⿱宀子 (layout: top-bottom)

Stroke Order

1
2
3
4
5
6

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

Words & Compounds

HSK Vocabulary with 字

WordPinyinMeaningHSK
名字nounmíng ziname (of a person or thing)1
数字nounshù zìnumeral4
字母nounzì mǔletter (of the alphabet)5
签字verb/nounqiān zìto sign (one's name)5
文字nounwén zìcharacter4
字典nounzì diǎnChinese character dictionary (containing entries for single characters, contrasted with a 詞典|词典, which has...3
十字路口phraseshí zì lù kǒucrossroads4
字幕nounzì mùsubtitles6
数字化verbshù zì huàto digitize6
汉字nounhàn zìChinese character(s)1

Common Compounds

WordPinyinMeaning
十字架nounshí zì jiàcross
字条nounzì tiáobrief note
十字nounshí zìcross road
写字verbxiě zìto write (by hand)
金字塔nounjīn zì tǎpyramid (building or structure)
字眼nounzì yǎnwording
字面nounzì miànliteral
识字verbshí zìto learn to read
打字verbdǎ zìto type (using a keyboard, typewriter or phone etc)
字谜nounzì míletter puzzle
字体nounzì tǐcalligraphic style
字迹nounzì jìhandwriting
打字机dǎ zì jītypewriter
十字军nounshí zì jūnthe Crusades
字母表zì mǔ biǎoalphabet
114
Total compounds
37
As first character
56
As last character
7
As middle character

字 appears in 114 compound words: 37 as the first character, 56 as the last, and 7 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 字 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

母mǔ
0.54173,382 co-occurrences
符fú
0.52126,036 co-occurrences
顺shùn
0.516217 co-occurrences
名míng
0.511193,012 co-occurrences
粗cū
0.4919,974 co-occurrences
数shǔ
0.47953,854 co-occurrences
妙miào
0.472115 co-occurrences
幕mù
0.47219,368 co-occurrences
写xiě
0.46911,920 co-occurrences
文wén
0.452105,034 co-occurrences

Idioms & Chengyu (30)

八字胡须bā zì hú xūHSK 5+

mustache shaped like character 八

phrase
白纸黑字bái zhǐ hēi zìHSK 3+

(written) in black and white

phrase
表意文字biǎo yì wén zìHSK 2+

ideograph; ideographical writing system

phrase
红十字会HóngshízìhuìHSK 2+

the Red Cross

南十字座Nánshízì ZuòHSK 4+

Crux

拼音文字pīnyīn wénzìHSK 5+

alphabetic writing; phonetic writing

noun
生辰八字shēngchén bāzìHSK 7+

eight characters that indicate the year, month, date and double-hour of one's birth, used in fortune-telling

noun
十字架刑shí zì jià xíngHSK 7+

crucifiction

phrase
十字路口shízìlùkǒuHSK 2+

cross-shaped intersection; street crossing; turning point; crossroads

phrase
提笔忘字tíbǐwàngzìHSK 3+

to forget how to write Chinese characters; to suffer from character amnesia

phrase
希腊字母xī là zì mǔHSK 7+

Greek alphabet

phrase
象形文字xiàng xíng wén zìHSK 5+

pictogram; hieroglyph

phrase

Showing 12 of 30 idioms containing 字.

Example Sentences

AI-Generated

他的书法很好,每个字都写得非常漂亮。

Tā de shūfǎ hěn hǎo, měi gè zì dōu xiě de fēicháng piàoliang.

His calligraphy is very good; every character is written very beautifully.

三立新聞網Feb 2026

超商换冰拿铁“店员跳针狂问2字”真相曝

chāo shāng huàn bīng ná tiě diàn yuán tiào zhēn kuáng wèn 2 zì zhēn xiāng pù

The truth of the supermarket changing ice latte "the clerk jumped the needle and asked 2 words" was exposed

UdnnewsindexFeb 2026

字节跳动Seedance 2.0爆红 美影...

zì jié tiào dòng S e e d a n c e 2 . 0 bào hóng měi yǐng . . .

ByteDance Seedance 2.0 became popular...

百度新闻Feb 2026

杭州一步行街被指写错北宋诗人名字,“晁冲之”写成“..

háng zhōu yī bù háng jiē bèi zhǐ xiě cuò běi sòng shī rén míng zì , 晁 chōng zhī xiě chéng . .

A pedestrian street in Hangzhou was accused of writing the name of a Northern Song poet wrongly, "Chao Chongzhi" was written as "Chao Chongzhi", "Chao Chongzhi" was written as "Chao Chongzhi", "Chao Chongzhi" was written as "Chao Chongzhi"...

百度新闻Feb 2026

抖音集团李亮:炒作“字节是恒科的最大空头”很荒唐也..

dǒu yīn jí tuán lǐ liàng chǎo zuò zì jié shì héng kē de zuì dà kōng tóu hěn huāng táng yě . .

Jitterbug Group's Li Liang: The speculation that "Byte is the biggest short of Henco" is absurd and...

百度新闻Feb 2026

万马奔腾启新程!这支复旦“马”字牌拜年天团来送福啦..

mò mǎ bēn téng qǐ xīn chéng ! zhè zhī fù dàn mǎ zì pái bài nián tiān tuán lái sòng fú lā . .

A thousand horses gallop to usher in a new journey! This Fudan "Horse" New Year Greeting Squad is here to bring blessings...

Tatoeba

我能用一下你的字典吗?

Wǒ néng yòng yīxià nǐ de zìdiǎn ma?

Can I use your dictionary for a minute?

Tatoeba

你把数字记熟了吗?

Nǐ bǎ shùzì jì shú le ma?

Have you learned the number by heart?

Tatoeba

那个名字很普通吗?

Nàge míngzi hěn pǔtōng ma?

Is that a common name?

Tatoeba

你会读这个汉字吗?

Nǐ huì dú zhège hànzì ma?

Can you read this kanji?

Character Family

Homophones — Characters pronounced zì

Frequently Asked Questions

What does 字 (zì) mean in Chinese?
字 (zì) primarily means "letter." It is classified as HSK Level 1, making it a beginner-level character. It ranks #393 in character frequency.
How many strokes does 字 have?
字 is written with 6 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 字?
The radical associated with 字 is 子 (child). This radical appears in many characters related to child.
What are the components of 字?
字 is composed of: 宀 (structural), 子 (structural). Its IDS decomposition is ⿱宀子 with a top-bottom layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 字?
Common words with 字 include: 名字 (míng zi, "name (of a person or thing)"); 数字 (shù zì, "numeral"); 字母 (zì mǔ, "letter (of the alphabet)"); 签字 (qiān zì, "to sign (one's name)"); 十字架 (shí zì jià, "cross"). There are over 114 compound words containing this character.
What characters sound the same as 字 (zì)?
Several characters share the pronunciation zì: 子 (son), 自 ((bound form) self), 资 (resources), 紫 (purple), and 3 more. Context and tones help distinguish between them in speech and writing.
Is 字 the same in simplified and traditional Chinese?
Yes, 字 is written the same way in both simplified and traditional Chinese.

Practice writing 字 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.