慎重|しんちょうshinchou[0]heiban (flat)

1. na-adjective, nouncareful; cautious; prudent; discreet; deliberate
   裁判官さいばんかんには慎重しんちょうさがなくてはならない。↗

   Discretion is proper to judges.

• Synonym注意深いちゅういぶかいNeutralDescribes watching closely and staying alert, so it leans toward attentiveness; 慎重 is about steady conduct and not acting rashly.
• Synonym心してこころしてWrittenWritten/formal prose. An adverb telling someone to brace themselves and act carefully, as in 「心して聞け」; 慎重 is an adjectival noun.
• Related丹念たんねんNeutralSuggests taking time and effort to do something meticulously, as in 「丹念に調べる」; 慎重 is about holding back for fear of mistakes.
• Related丁寧ていねいNeutralCovers both meticulous, thorough work and politeness; 慎重 carries only the sense of caution, with no nuance of courtesy.
• Related念入りねんいりNeutralMeans taking extra care and checking things thoroughly, as in 「念入りに準備する」; 慎重 stresses caution when forming a judgement.
• Related綿密めんみつWrittenWritten/formal prose. Describes plans and investigations that are tight and detailed, as in 「綿密な計画」; 慎重 stresses a cautious attitude.
• Related細心さいしんWrittenWritten/formal prose. Points to attention down to the smallest details, typically in 「細心の注意を払う」; 慎重 stresses not acting rashly.
• Related周到しゅうとうWrittenWritten/formal prose. Means preparation so complete that nothing is overlooked, as in 「用意周到」; 慎重 is a cautious attitude, not full preparation.
• RelatedじっくりNeutralAn adverb for doing something unhurriedly, taking your time, as in 「じっくり考える」; 慎重 stresses staying careful and avoiding risks.
• Related入念にゅうねんNeutralMeans giving something extra care and attention to detail, as in 「入念にチェックする」; 慎重 stresses caution before making a decision.
• Related慎み深いつつしみぶかいWrittenWritten/formal prose. Often describes a person of humble, restrained, dignified bearing — a matter of character; 慎重 is caution in making decisions.
• RelatedとくとWrittenWritten/formal prose. An old-fashioned, literary adverb meaning carefully, thoroughly, as in 「とくとご覧あれ」; everyday speech prefers 「じっくり」 or 「よく」.
• Antonym軽率けいそつNeutralThe opposite of 慎重 in manner of conduct: acting without thinking, rash and hasty.
• Antonym無謀むぼうNeutralThe opposite of 慎重 in manner of conduct: charging ahead with no thought for the consequences; a stronger failing than 「軽率」.
• Antonym不注意ふちゅういNeutralThe opposite of 慎重 on the side of attention: carelessness or negligence, failing to watch out.

Use 「慎重」 for the cautious attitude of thinking things over before deciding or acting. For doing a task meticulously, choose 「丁寧」, 「念入り」 or 「入念」; for taking your time, 「じっくり」; for airtight plans or investigations, 「綿密」 or 「周到」. The opposites are 「軽率」 and 「無謀」 in conduct and 「不注意」 in attention.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 注意ちゅうい深ふかく、軽かるはずみな行動こうどうを取とらない様子ようす。