規律・紀律|きりつkiritsu[0]heiban (flat)

1. nounorder; observance; discipline
   この学校がっこうは規律きりつがやや緩ゆるやかだ。↗

   Discipline is rather mild at this school.
2. nounrules; law; regulations
   生徒せいとの中なかには規律きりつを守まもるのが大変たいへんなものもいる。↗

   Some pupils find it difficult to follow the rules.

• Synonym規則きそくNeutralSpecific rules laid down to be followed, as in 「学校の規則」, which can be listed item by item; 規律 points to a group's discipline and order.
• Synonym定めさだめWrittenA native word for rules laid down or agreements, also fate; used in written/formal prose, while 規律 stresses discipline and order.
• Synonym掟おきてWrittenWritten/formal prose for rules a group must keep, as in 「村の掟」, with a traditional, stern feel; 規律 centers on discipline and order.
• SynonymルールNeutralA loanword for rules in games and daily life, the most common choice in speech; it lacks the strict, orderly nuance of 規律.
• Synonym決まりきまりNeutralA native word for established rules and customs, as in 「決まりを守る」; more everyday than 規律, without its strict-discipline nuance.
• Synonym律りつWrittenWritten/formal prose for ancient criminal codes or Buddhist precepts, as in 「律令」; for discipline today, use 規律.
• Related規定きていFormalFormal word for provisions written into rules, as in 「規定に従う」; 規律 speaks of the discipline and order of a group's conduct.
• Related規制きせいFormalFormal word for restricting things by rules, or the restrictive rules themselves, as in 「交通規制」; 規律 is discipline a group keeps itself.
• Related統制とうせいFormalFormal word for unifying and controlling things from above, as in 「言論統制」; 規律 is the discipline itself that should be observed.
• Related管理かんりNeutralThe act of overseeing or running things, as in 「品質管理」; 規律 is the discipline itself that people are to follow.
• Related約束やくそくNeutralPromises or agreements between parties, as in 「約束を守る」, also customs; 規律 points to the discipline of a group.
• Related決めきめCasualColloquial word for rules or arrangements agreed on, less common than 「決まり」; 規律 stresses collective discipline and order.
• Related原則げんそくNeutralBasic principles or general rules, as in 「原則として」; it concerns policy lines, while 規律 is discipline in conduct.
• Related法則ほうそくNeutralLaws that invariably hold under given conditions, as in 「引力の法則」, also rules to keep; 規律 leans to behavioral discipline.
• Related法ほうWrittenRead 「のり」, a written, archaic word for rules to live by or models; for modern discipline and order, use 規律.
• Related準則じゅんそくFormalFormal word for rules or standards to follow, common in laws, accounting and the like; 規律 leans toward a group's discipline and order.
• Antonym無秩序むちつじょWrittenWritten/formal prose for total disorder and chaos — the direct opposite of the orderliness 規律 describes.
• Antonym乱脈らんみゃくWrittenWritten/formal prose for breakdown of order and discipline, often of mismanagement as in 「乱脈経営」; stands opposite to 規律.

Use 「規律」 for the discipline and orderly order a group is expected to keep, as in 「規律正しい生活」. For concrete rules say 「規則」, in casual speech 「ルール」 or 「決まり」, and for laws of nature 「法則」. 「規定」「規制」「統制」「準則」 are formal terms for written provisions, restrictions and control; 「定め」「掟」「法」「律」 are written or archaic words for rules; 「管理」 is the act of managing, 「約束」 a promise, 「原則」 a guiding principle. Antonyms: 「無秩序」, 「乱脈」.

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

1. 社会しゃかい生活せいかつ・集団しゅうだん生活せいかつを行おこなうための行為こういの基準きじゅん。
2. 一定いっていの秩序ちつじょ。