凿 (záo): (bound form) chisel, to bore a hole, to chisel, to dig, (literary) certain, authentic, irrefutable

凿 (záo) is a Chinese character meaning “(bound form) chisel.” Classified as HSK Level 7-9 (HSK 3.0 Standard, CLEC 2022), it is composed of 凵 (structural) and 丵 (structural). It ranks #2561 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 凿 a drill 丵 making a hole 凵. Its radical form 凵 (open mouth) appears in many related characters such as 出 (chū, to go out), 击 (jī, to hit), 凶 (xiōng, terrible).

Spoken pronunciation

Definitions

  1. (bound form) chisel
  2. to bore a hole
  3. to chisel
  4. to dig
  5. (literary) certain
  6. authentic
  7. irrefutable

Etymology & Origin

凿

ideographicA drill 丵 making a hole 凵

Decomposition: ⿶凵丵 (layout: surround-from-bottom)

Stroke Order

1
2
3
4
5
6
7
8
9
10
11
12

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

Words & Compounds

Common Compounds

WordPinyinMeaning
确凿adjectivequè záodefinite
凿子nounzáo zichisel
开凿verbkāi záoto cut (a canal, tunnel, well etc)
确凿不移què záo bù yíestablished and irrefutable (idiom)
穿凿附会phrasechuān záo fù huì(idiom) to make far-fetched claims
凿石场záo shí chǎngrock quarry
凿死铆子záo sǐ mǎo zi(dialect) stubborn
妄生穿凿wàng shēng chuān záoa forced analogy (idiom)
凿壁偷光záo bì tōu guānglit. to pierce the wall to steal a light (idiom)
凿死卯子záo sǐ mǎo zivariant of 鑿死鉚子|凿死铆子
言之凿凿phraseyán zhī záo záo(idiom) to speak with conviction
凿空verbzáo kōngto open an aperture
凿岩机záo yán jīrock drill
方枘圆凿phrasefāng ruì yuán záo(lit.) like a square peg in a round hole (idiom)
圆凿方枘yuán záo fāng ruìsee 方枘圓鑿|方枘圆凿
22
Total compounds
50
As first character
32
As last character
18
As middle character

凿 appears in 22 compound words: 50 as the first character, 32 as the last, and 18 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 凿 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

开kāi
0.4872,820 co-occurrences
窟kū
0.478200 co-occurrences
沉chén
0.474606 co-occurrences
确què
0.4731,122 co-occurrences
证zhèng
0.447788 co-occurrences
渠qú
0.439158 co-occurrences
据jù
0.424732 co-occurrences
斧fǔ
0.42260 co-occurrences
铲chǎn
0.39918 co-occurrences
锤chuí
0.39624 co-occurrences

Idioms & Chengyu (5)

穿凿附会chuānzáofùhuìHSK 7+

to give an implausible explanation and draw far-fetched analogies

phrase
妄生穿凿wàng shēng chuān záoHSK 7+

a forced analogy (idiom); to jump to an unwarranted conclusion

phrase
言之凿凿yánzhīzáozáoHSK 7+

to say with certainty; to speak on good grounds

phrase
凿壁偷光záo bì tōu guāngHSK 7+

lit. to pierce the wall to steal a light (idiom); fig. to study diligently in the face of hardship

phrase
方枘圆凿fāngruìyuánzuòHSK 7+

incompatible; square peg in a round hole

phrase

Example Sentences

AI-Generated

凿字虽然难写,但意思很有趣。

záo zì suī rán nán xiě , dàn yì sī hěn yǒu qù .

The character "凿" may be difficult to write, but its meaning is quite interesting.

中国新闻网·文化Aug 2026

我国石窟寺开凿约始于3世纪,兴盛于5至8世纪。

wǒ guó shí kū sì kāi záo yuē shǐ yú 3 shì jì , xīng shèng yú 5 zhì 8 shì jì .

The carving of cave temples in China began around the 3rd century and flourished from the 5th to the 8th centuries.

IT之家Aug 2026

天文学家此前也曾观测到这一难以捕捉的现象的蛛丝马迹,但始终没有确凿证据。

tiān wén xué jiā cǐ qián yě céng guàn cè dào zhè yī nán yǐ bǔ zhuō de xiàn xiàng de zhū sī mǎ jì , dàn shǐ zhōng méi yǒu què záo zhèng jù .

Astronomers had previously observed faint signs of this elusive phenomenon, but had never found conclusive evidence.

奇客SolidotAug 2026

此前一直缺乏确凿证据来支持这一假说。

cǐ qián yī zhí quē fá què záo zhèng jù lái zhī chí zhè yī jiǎ shuō .

Until now, there has been a lack of conclusive evidence to support this hypothesis.

IT之家Jul 2026

然而,目前还没有确凿的证据表明这颗红色星球曾有过板块运动。

rán ér , mù qián hái méi yǒu què záo de zhèng jù biǎo míng zhè kē hóng sè xīng qiú céng yǒu guò bǎn kuài yùn dòng .

However, there is currently no conclusive evidence that plate tectonics ever occurred on the Red Planet.

中国新闻网·文化Jun 2026

而且昆仑石刻的凿刻条件艰苦,不能对字体多加苛求。

ér qiě kūn lún shí kè de záo kè tiáo jiàn jiān kǔ , bù néng duì zì tǐ duō jiā kē qiú .

Moreover, given the harsh conditions under which the Kunlun stone carvings were created, we cannot be overly demanding about the calligraphy.

Character Family

凵 Radical Family — Characters sharing the open mouth radical

Homophones — Characters pronounced záo

Frequently Asked Questions

What does 凿 (záo) mean in Chinese?
凿 (záo) primarily means "(bound form) chisel." It is classified as HSK Level 7-9, making it an expert-level character. It ranks #2561 in character frequency.
How many strokes does 凿 have?
凿 is written with 12 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 凿?
The radical associated with 凿 is 凵 (open mouth). This radical appears in many characters related to open mouth.
What are the components of 凿?
凿 is composed of: 凵 (structural), 丵 (structural). Its IDS decomposition is ⿶凵丵 with a surround-from-bottom layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 凿?
Common words with 凿 include: 确凿 (què záo, "definite"); 凿子 (záo zi, "chisel"); 开凿 (kāi záo, "to cut (a canal, tunnel, well etc)"); 确凿不移 (què záo bù yí, "established and irrefutable (idiom)"); 穿凿附会 (chuān záo fù huì, "(idiom) to make far-fetched claims"). There are over 22 compound words containing this character.
What characters sound the same as 凿 (záo)?
Several characters share the pronunciation záo: 造 (to make, to build), 早 (early, morning), 遭 (to meet by chance (usually with misfortune)), 糟 (dregs), and 6 more. Context and tones help distinguish between them in speech and writing.
Is 凿 the same in simplified and traditional Chinese?
Yes, 凿 is written the same way in both simplified and traditional Chinese.

Practice writing 凿 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.