窿 (lóng): hole

窿 (lóng) is a Chinese character meaning “hole.” Classified as HSK Level 7-9 (HSK 3.0 Standard, CLEC 2022), it is composed of 穴 (semantic) and 隆 (phonetic). It ranks #2970 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 窿 hole. Its radical form 穴 (cave) appears in many related characters such as 穿 (chuān, to wear, 穿透), 空 (kōng, empty, sky), 突 (tū, sudden).

Native pronunciation
HSK 7-9Radical: 穴 cave16 strokesFrequency #2970穴 semantic隆 phonetic

Definitions

  1. hole

Etymology & Origin

窿

pictophonetichole

Decomposition: ⿱穴隆 (layout: top-bottom)

Components:穴semantic隆phonetic

Stroke Order

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

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

Words & Compounds

Common Compounds

WordPinyinMeaning
窟窿kū longhole
大耳窿dà ěr lóngloan shark
窟窿眼kū long yǎnsmall hole
穹窿qióng lónga dome
4
Total compounds
0
As first character
75
As last character
25
As middle character

窿 appears in 4 compound words: 0 as the first character, 75 as the last, and 25 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 窿 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

窟kū
0.575618 co-occurrences
咕gū
0.523132 co-occurrences
耳ěr
0.483654 co-occurrences
顶dǐng
0.470474 co-occurrences
桶tǒng
0.36030 co-occurrences
捐juān
0.35884 co-occurrences
圆yuán
0.35072 co-occurrences
债zhài
0.34730 co-occurrences
腿tuǐ
0.33736 co-occurrences
拱gǒng
0.32730 co-occurrences

Example Sentences

AI-Generated

屋顶上有个窟窿，下雨的时候会漏水。

Wūdǐng shang yǒu gè kūlong, xiàyǔ de shíhou huì lòushuǐ.

There's a hole in the roof; it leaks when it rains.

Character Family

穴 Radical Family — Characters sharing the cave radical

窗chuāng窘jiǒng究jiū空kōng窟kū窥kuī窍qiào窃qiè邃suì窝wō

Related Characters

穿chuān空kōng突tū究jiū穷qióng窗chuāng穴xué窃qiè窄zhǎi窍qiào

Homophones — Characters pronounced lóng

龙lóng咙lóng胧lóng笼lóng聋lóng隆lóng垄lǒng拢lǒng

Frequently Asked Questions

What does 窿 (lóng) mean in Chinese?
窿 (lóng) primarily means "hole." It is classified as HSK Level 7-9, making it an expert-level character. It ranks #2970 in character frequency.
How many strokes does 窿 have?
窿 is written with 16 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 窿?
The radical associated with 窿 is 穴 (cave). This radical appears in many characters related to cave.
What are the components of 窿?
窿 is composed of: 穴 (semantic), 隆 (phonetic). Its IDS decomposition is ⿱穴隆 with a top-bottom layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 窿?
Common words with 窿 include: 窟窿 (kū long, "hole"); 大耳窿 (dà ěr lóng, "loan shark"); 窟窿眼 (kū long yǎn, "small hole"); 穹窿 (qióng lóng, "a dome"). There are over 4 compound words containing this character.
What characters sound the same as 窿 (lóng)?
Several characters share the pronunciation lóng: 龙 (Chinese dragon), 咙 (used in 喉嚨|喉咙), 胧 (used in 朦朧|朦胧), 笼 (enclosing frame made of bamboo, wire etc), and 4 more. Context and tones help distinguish between them in speech and writing.
Is 窿 the same in simplified and traditional Chinese?
Yes, 窿 is written the same way in both simplified and traditional Chinese.

Practice writing 窿 with real-time feedback

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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.