Meaning
The kanji 慎 (シン, つつし-む) conveys the ideas of prudence, discretion, and carefulness. At its heart, it refers to exercising caution, being thoughtful in one's actions and words, and maintaining a sense of humility or modesty. It suggests a vigilant and circumspect state of mind, aiming to prevent mistakes, errors, or causing offense.
Looking at its etymology, 慎 is a phono-semantic compound. The left-hand radical, 心 (こころ), means 'heart' or 'mind,' highlighting the internal, mental aspect of the kanji's meaning. The right-hand part, 真 (しん), means 'true,' 'real,' or 'genuine.' Together, these components suggest a 'true' or 'genuine heart/mind' that leads to carefulness, sincerity, and discretion. This implies an internal state of honesty and truthfulness towards oneself and others, which naturally fosters a cautious and thoughtful approach to life.
Visually, combining a 'true' heart suggests a mind that genuinely seeks to do things correctly and avoid missteps, thus leading to careful and prudent behavior. 慎 is a Jouyou Kanji, officially designated for general use. With 13 strokes, it is typically introduced to N1 (Advanced) JLPT learners, reflecting its nuanced meaning and frequent use in more formal or sophisticated contexts.
Readings
On'yomi (音読み) — Chinese-derived readings
The primary On'yomi for 慎 is シン (shin). This reading is primarily used in compound words, where it combines with other kanji to form nouns or adjectival nouns expressing concepts of caution, discretion, or self-restraint. It often conveys a more formal or objective sense of carefulness.
- 慎重 (shinchou) — careful, cautious, prudent. This is perhaps the most common compound, describing a cautious personality or an approach where great care is taken with a task. For example, 慎重な態度 (shinchou na taido) means a cautious attitude.
- 謹慎 (kinshin) — self-admonition, house arrest, suspension from duty. This compound uses 謹 (謹む - to be prudent, respectful) and 慎 to denote a period of self-reflection and restraint, often as a form of punishment or self-imposed discipline.
- 慎独 (shindoku) — self-watchfulness, being careful in one's private life. This is a more philosophical or literary term, referring to maintaining moral integrity and discipline even when alone and unobserved.
Kun'yomi (訓読み) — Native Japanese readings
The primary Kun'yomi for 慎 is つつし-む (tsutsushi-mu). This reading forms the native Japanese verb つつしむ, which means 'to be careful,' 'to be discreet,' 'to refrain from,' or 'to be modest.' It emphasizes actively restraining oneself or being cautious in one's actions, speech, or lifestyle. The verb can be used transitively or intransitively.
- 慎む (tsutsushimu) — to be careful, to be discreet, to refrain from, to be modest. This verb is used directly to express the act of exercising caution or restraint. For instance, 言動を慎む (gendou o tsutsushimu) means to be careful of one's words and actions.
- 飲食を慎む (inshoku o tsutsushimu) — to refrain from eating and drinking. This phrase is commonly used when one needs to abstain from certain foods or beverages, often for health reasons or religious purposes.
- 慎ましい (tsutsumashii) — modest, humble, reserved. This is the adjectival form, describing someone or something that is unassuming, humble, or leads a simple, unextravagant life. A 慎ましい生活 (tsutsumashii seikatsu) refers to a modest lifestyle.
Common Words & Compounds
Here are more common words and compounds using 慎, organized by related themes, to help deepen your understanding:
Theme: Prudence and Caution
- 慎重 (shinchou) — careful, cautious, prudent. A crucial term for decision-making and planning.
- 慎重に (shinchou ni) — carefully, cautiously. The adverbial form used to describe how an action is performed.
- 慎重派 (shinchou-ha) — a cautious person/faction. Refers to individuals or groups who prefer a careful approach.
- 慎重論 (shinchouron) — arguments for caution, a cautious view. Discussions or opinions advocating for careful consideration.
Theme: Self-Discipline and Restraint
- 慎む (tsutsushimu) — to be careful, to be discreet, to abstain from. The core verb for self-restraint.
- 謹慎 (kinshin) — self-admonition, house arrest, suspension. Often used in formal or disciplinary contexts.
- 言葉を慎む (kotoba o tsutsushimu) — to watch one's language, to be careful with one's words. Essential for social etiquette.
- 行動を慎む (koudou o tsutsushimu) — to be careful in one's actions, to restrain one's behavior.
Theme: Modesty and Humility
- 慎ましい (tsutsumashii) — modest, humble, reserved. An adjective describing a person or lifestyle.
- 慎ましく (tsutsumashiku) — modestly, humbly. The adverbial form of the above adjective.
- 慎ましさ (tsutsumashisa) — modesty, humility (noun). The quality of being modest.
Example Sentences
新しい投資をする際は、慎重な判断が必要です。
Atarashii toushi o suru sai wa, shinchou na handan ga hitsuyou desu.
When making new investments, careful judgment is necessary.
公の場では、言葉遣いを慎みなさい。
Ooyake no ba de wa, kotobazukai o tsutsushiminasai.
In public places, please watch your language.
彼女は常に慎重に計画を立てるタイプです。
Kanojo wa tsune ni shinchou ni keikaku o tateru taipu desu.
She is the type who always makes careful plans.
病気の時は、飲食を慎むのが良いとされています。
Byouki no toki wa, inshoku o tsutsushimu no ga yoi to sarete imasu.
It is said that it's good to refrain from eating and drinking when ill.
軽率な行動を慎み、結果をよく考えましょう。
Keisotsu na koudou o tsutsushimi, kekka o yoku kangaemashou.
Let's refrain from reckless actions and think carefully about the consequences.
外交官は国際会議で慎重な発言を求められます。
Gaikoukan wa kokusai kaigi de shinchou na hatsugen o motomeraremasu.
Diplomats are required to make cautious statements at international conferences.
彼は慎ましい生活を送りながら、人のために尽くしました。
Kare wa tsutsumashii seikatsu o okurinagara, hito no tame ni tsukushimashita.
He lived a modest life while dedicating himself to others.
この時期は感染拡大を防ぐため、外出を慎むべきです。
Kono jiki wa kansen kakudai o fusegu tame, gaishutsu o tsutsushimu beki desu.
During this period, one should refrain from going out to prevent the spread of infection.
企業は個人情報の扱いに最大限の慎重を払うべきだ。
Kigyou wa kojin jouhou no atsukai ni saidaigen no shinchou o harau beki da.
Companies should exercise the utmost caution in handling personal information.
問題が解決するまで、発言は慎重に選びましょう。
Mondai ga kaiketsu suru made, hatsugen wa shinchou ni erabimashou.
Until the problem is resolved, let's choose our words carefully.
Memory Tip
To remember 慎, focus on its two main components. The left side is 心 (heart/mind). The right side is 真 (true/real). Imagine someone with a truly honest and sincere heart or mind. Such a person would naturally be very careful, discreet, and prudent in all their actions and words to avoid causing harm or making mistakes. So, a "true heart" leads to "carefulness." This mnemonic connects the visual elements to the core meaning of prudence and discretion.