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March 24, 2026
严密(嚴密)yánmì(yan2mi4)
严密 refers to something that is strict, tight, or closely organized. It is commonly used to describe systems or processes that are meticulously structured, such as security measures, planning, or regulations. The nuance suggests a high level of precision and control, often in contexts requiring attention to detail.
Frequency#8731DifficultyHard
Cultural Note
In Chinese culture, 严密 is often associated with governmental policies and surveillance, reflecting the emphasis on social order and regulation. For example, during events like the Spring Festival, security measures become 严密 to ensure safety.
Memory Tip
Think of 严 as 'strict' and 密 as 'tight'—imagine a tightly wound spring that is under strict control. The character 严 resembles a roof over a line of people, suggesting strict oversight, while 密 can evoke the image of a sealed container that is tightly shut, emphasizing its nature of being closely guarded.
Meanings of 严密
yánmì(yan2mi4)
1strict
2tight (organization, surveillance etc)
Exercise 1 of 2
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About 严密
严密Simplified
嚴密Traditional
—Strokes
—Radical
形容词xíngróngcíadjective (adj.)Part of Speech
#8731Frequency Rank
HSK 2.0L6HSK 3.0L7AdvancedCEFRC2
Podcast: 严密
Podcast: 严密
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AI Study Notes for 严密
Quick Contrast
紧密 (jǐnmì) - use 严密 when emphasizing strictness and control in organization, while 紧密 focuses more on physical closeness or tightness.
Memory Mnemonic
Think of 严 as 'strict' and 密 as 'tight'—imagine a tightly wound spring that is under strict control. The character 严 resembles a roof over a line of people, suggesting strict oversight, while 密 can evoke the image of a sealed container that is tightly shut, emphasizing its nature of being closely guarded.
Usage Notes
Be cautious not to confuse 严密 with similar terms like 严格 (strict), which emphasizes adherence to rules. 严密 is more about the organization or tightness of a system. It is more commonly used in formal contexts, such as academic or legal discussions.
HSK Study Tips
As an HSK 6 word, 严密 connects to other advanced terms that describe organization and order. Focus on using it in contexts related to security, planning, or systems to reinforce its meaning. Additionally, practice combining it with verbs to describe actions that require strictness or tightness.
Cultural Note
In Chinese culture, 严密 is often associated with governmental policies and surveillance, reflecting the emphasis on social order and regulation. For example, during events like the Spring Festival, security measures become 严密 to ensure safety.
Common Mistakes
Learners often misuse 严密 in casual conversation where a simpler term like 紧 (tight) would suffice. For example, saying '这个计划很严密' (This plan is very strict) is incorrect; it should be '这个计划很紧凑' (This plan is very tight/compact).
AI-enhanced 2026-03-24
Pronunciation of 严密
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Grammar Patterns of 严密
严密 functions as an adjective. In Chinese it behaves like a stative verb: place it directly after the subject without 是 (我很高，not 我是高). Use 不 to negate (不高) and pair it with 很 in plain affirmative sentences. It carries 2 related meanings, each with its own usage notes below. The example sentences below show it in action, with practice buttons (Listen, Practice Writing, Practice Speaking) on every line.
Exercise 1 of 4
Complete the Sentence
水箱和屋顶都需要敷设____的保温层。
Water tanks should be well lagged and the roof well insulated.
Water tanks should be well lagged and the roof well insulated.
2
动物给严密地关了起来.
dòng wù gěi yán mì dì guān le qǐ lái.
The animals are kept in close confinement.
3
我们总的目标只是要严密困住敌人的这三十个师.
wǒ mén zǒng de mù biāo zhī shì yào yán mì kùn zhù dí rén de zhè sān shí gè shī.
All we wanted to do was to nail down these thirty hostile divisions.
4
严密监禁那个囚犯以免他再逃掉.
yán mì jiān jīn nà gè qiú fàn yǐ miǎn tā zài táo diào.
Secure the prisoner so that he won't escape again.
Cultural Notes for 严密
🏮Cultural insight
In Chinese culture, 严密 is often associated with governmental policies and surveillance, reflecting the emphasis on social order and regulation. For example, during events like the Spring Festival, security measures become 严密 to ensure safety.
Frequently Asked Questions about 严密
You can use 严密 to describe security measures, organizational structures, or any system that requires high precision and control.
严密 is generally used in formal contexts, such as academic writing or official discussions.
No, while both convey strictness, 严密 specifically refers to tightness or precision in organization, whereas 严格 focuses on adherence to rules.
