乌 (wū): abbr. for country names that begin with 烏|乌: Ukraine 烏克蘭|乌克兰, Uzbekistan 烏茲別克斯坦|乌兹别克斯坦 etc, crow, black

乌 (wū) is a Chinese character meaning “crow.” Classified as HSK Level 6 (HSK 3.0 Standard, CLEC 2022), it is composed of 丿 (structural). It ranks #1238 in character frequency (SUBTLEX-CH corpus).

Etymologically pictographic, 乌 simplified form of 烏; a crow; compare 鸟. Its radical form 丿 (slash) appears in many related characters such as 么 (me, suffix used in 什么 (what), 这么 (so), 怎么 (how) etc), 久 (jiǔ, (of a period of time) long), 乐 (lè, happy).

Spoken pronunciation

Definitions

  1. abbr. for country names that begin with 烏|乌: Ukraine 烏克蘭|乌克兰, Uzbekistan 烏茲別克斯坦|乌兹别克斯坦 etc
  2. crow
  3. black

Etymology & Origin

乌

pictographicSimplified form of 烏; a crow; compare 鸟

Components:丿structural

Stroke Order

1
2
3
4

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

Words & Compounds

HSK Vocabulary with 乌

WordPinyinMeaningHSK
乌龟nounwū guītortoise6

Common Compounds

WordPinyinMeaning
乌鸦nounwū yācrow
乌克兰proper-nounwū kè lánUkraine
乌托邦nounwū tuō bāng(loanword) utopia
乌云nounwū yúnblack cloud
乌拉nounwù laleather shoe stuffed with Carex meyeriana 烏拉草|乌拉草, worn in northeastern China during winter
乌贼nounwū zéicuttlefish
乌干达proper-nounwū gān dáUganda
乌合之众phrasewū hé zhī zhòng(idiom) rabble
乌尔姆wū ěr mǔUlm (city in Germany)
乌尔proper-nounwū ěrUr (Sumerian city c. 4500 BC in modern Iraq)
乌孙国wū sūn guóWusun kingdom of central Asia (c. 300 BC-300 AD)
乌龙茶nounwū lóng cháoolong tea
乌拉圭proper-nounwū lā guīUruguay
乌拉尔proper-nounwū lā ěrthe Ural mountains in Russia, dividing Europe from Asia
乌黑adjectivewū hēijet-black
101
Total compounds
85
As first character
9
As last character
6
As middle character

乌 appears in 101 compound words: 85 as the first character, 9 as the last, and 6 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 乌 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

兰lán
0.62751,889 co-occurrences
齐qí
0.60211,968 co-occurrences
笼lóng
0.59025 co-occurrences
鲁lǔ
0.56213,026 co-occurrences
鸦yā
0.5581,860 co-occurrences
蝇yíng
0.54812 co-occurrences
克kè
0.53454,664 co-occurrences
兹zī
0.5285,486 co-occurrences
犬quǎn
0.52621 co-occurrences
仓cāng
0.49825 co-occurrences

Idioms & Chengyu (11)

东兔西乌dōng tù xī wūHSK 6+

lit. the sun setting and the moon rising (idiom); fig. the passage of time

phrase
缩头乌龟suōtóu wūguīHSK 6+

cowardly person; coward; ostrich

noun
乌合之众wūhézhīzhòngHSK 6+

disorderly group of people; mob; rabble

phrase
乌兰察布WūlánchábùHSK 6+

Ulanqab (a prefecture-level city of the Inner Mongolia autonomous region, China)

乌兰浩特WūlánhàotèHSK 7+

Ulanhot (a county-level city of Hinggan, Inner Mongolia autonomous region, China)

乌伦古湖Wūlúngǔ HúHSK 7+

Ulungur Lake (a lake in Fuhai, Xinjiang autonomous region, China)

乌七八糟wūqībāzāoHSK 6+

everything in disorder; in a hideous mess; horribly messy; filthy; despicable; disgusting

phrase
子虚乌有zǐ xū wū yǒuHSK 6+

(idiom) to have no basis in fact; to be the product of sb's imagination

phrase
基希讷乌JīxīnèwūHSK 6+

Chișinău (a city, the capital city of Moldova)

Showing 9 of 11 idioms containing 乌.

Example Sentences

AI-Generated

乌字在不同的语境中有不同的用法。

wū zì zài bù tóng de yǔ jìng zhōng yǒu bù tóng de yòng fǎ .

The character "乌" has different usages in different contexts.

EttodayFeb 2026

乌俄战争4周年前夕 泽伦斯基喊话川普:请站...

wū é zhàn zhēng 4 zhōu nián qián xī zé lún sī jī hǎn huà chuān pǔ : qǐng zhàn . . .

On the eve of the 4th anniversary of the Ukrainian-Russian War, Zelensky shouted to Trump: Please stand...

WorldjournalFeb 2026

俄军打击乌能源设施 乌克兰多地大面积停电

é jūn dǎ jī wū néng yuán shè shī wū kè lán duō dì dà miàn jī tíng diàn

Russian forces hit Ukrainian energy facilities Large-scale power outages in many places in Ukraine

StheadlineFeb 2026

上水“怪兽仓”两幼犬被困笼内 一狗断尾惹乌蝇 区议员联络仓主无果报警求助

shàng shuǐ guài shòu cāng liǎng yòu quǎn bèi kùn lóng nèi yī gǒu duàn wěi rě wū yíng qū yì yuán lián lào cāng zhǔ wú guǒ bào jǐng qiú zhù

Two puppies were trapped in the cage of the "monster warehouse" in Sheung Shui, and a dog had its tail cut off and provoked flies

百度新闻Feb 2026

俄方称欧洲在乌克兰问题上更倾向于延续冲突

é fāng chèn ōu zhōu zài wū kè lán wèn tí shàng gēng qīng xiàng yú yán xù chōng tū

Russia said that Europe is more inclined to continue the conflict on the Ukraine issue

Tatoeba

您是乌鲁木齐人吗?

Nín shì Wūlǔmùqí rén ma?

Are you from Urumqi?

Tatoeba

你说乌克兰语或俄语吗?

Nǐ shuō Wūkèlán yǔ huò éyǔ ma?

Do you speak Ukrainian or Russian?

Tatoeba

给我买只乌龟吧,妈妈,求你给我买只乌龟吧!

Gěi wǒ mǎi zhǐ wūguī ba, māma, qiú nǐ gěi wǒ mǎi zhǐ wūguī ba!

Buy me a turtle, Mom, please buy me a turtle!

Tatoeba

野兔被乌龟抛了在后头。

Yětù bèi wūguī pāo le zàihòu tóu.

The hare was overtaken by the tortoise.

Tatoeba

乌云逐渐布满了整个天空。

Wūyún zhújiàn bù mǎn le zhěnggè tiānkōng.

The sky has gradually clouded over.

Character Family

Homophones — Characters pronounced wū

Frequently Asked Questions

What does 乌 (wū) mean in Chinese?
乌 (wū) primarily means "crow." It is classified as HSK Level 6, making it an advanced character. It ranks #1238 in character frequency.
What's the difference between 乌 and 白?
乌 (wū) and 白 (bái) are often confused. antonym. The key distinguishing feature: 乌 (black) vs 白 (white).
How many strokes does 乌 have?
乌 is written with 4 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 乌?
The radical associated with 乌 is 丿 (slash). This radical appears in many characters related to slash.
What are the components of 乌?
乌 is composed of: 丿 (structural). Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 乌?
Common words with 乌 include: 乌龟 (wū guī, "tortoise"); 乌鸦 (wū yā, "crow"); 乌克兰 (wū kè lán, "Ukraine"); 乌托邦 (wū tuō bāng, "(loanword) utopia"); 乌云 (wū yún, "black cloud"). There are over 101 compound words containing this character.
What characters sound the same as 乌 (wū)?
Several characters share the pronunciation wū: 物 ((bound form) thing), 务 (affair), 五 (five), 武 (martial), and 6 more. Context and tones help distinguish between them in speech and writing.
Is 乌 the same in simplified and traditional Chinese?
Yes, 乌 is written the same way in both simplified and traditional Chinese.

Practice writing 乌 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.