規則|きそくkisoku[1]atamadaka (head-high)

1. nounrule; regulation
   この規則きそくはあなたにも当あてはまる。↗

   This rule applies to you, too.

• SynonymルールNeutralA loanword for rules, as in 「ゲームのルール」. More colloquial than 「規則」 and used mostly for games and sports.
• Synonym規定きていWrittenWritten language for the specific content laid down in provisions, as in 「規定の料金」. Focuses on the clauses themselves rather than rules in general.
• Synonym規律きりつWrittenWritten word for the discipline and order of a group, as in 「規律正しい生活」. Emphasizes the state of keeping the rules rather than the rules themselves.
• Synonym定めさだめWrittenA written, archaic word for a rule or regulation, and also for fate, as in 「運命の定め」. Carries a classical, literary flavor.
• Synonym掟おきてWrittenRules a community or group must observe, as in 「村の掟」. Carries a strong sense of coercion and tradition.
• Synonym法則ほうそくWrittenA written word for natural or scientific laws, as in 「万有引力の法則」; it can also mean rules to be observed.
• Synonym決まりきまりCasualA colloquial word for rules and customs, as in 「学校の決まり」. Feels friendlier and closer to home than 「規則」.
• Related法令ほうれいFormalThe formal term for laws and the ordinances issued under them, as in 「法令を遵守する」. Operates at the national level.
• Related規制きせいWrittenA written word for restricting or controlling things through rules, as in 「交通規制」. The emphasis is on the restriction, not the rule itself.
• Related規程きていFormalThe formal term for an organization's internal rules on procedures and operations, as in 「就業規程」.
• Related約束やくそくNeutralAn agreement or promise between parties, and by extension conventions people are expected to follow. 「規則」 is a rule formally laid down for everyone to observe.
• Related決めきめCasualColloquial, for rules agreed between parties; mostly seen in 「取り決め」 and rarely used alone.
• Related戒律かいりつWrittenA written word for religious precepts, as in 「仏教の戒律」, and by extension moral norms one must observe.
• Related原則げんそくWrittenA written word for a basic principle or general rule, as in 「原則として禁止」; it states the norm while leaving room for exceptions.
• Related条例じょうれいFormalThe formal term for ordinances enacted by a local government, as in 「市の条例」.
• Related法ほうWrittenA written, archaic word for rules and law in the abstract, as in 「法を越える」. In everyday speech 「決まり」 or 「規則」 is used instead.
• Related準則じゅんそくWrittenA written word for standards that serve as a basis, as in 「会計準則」. Leans more toward a guideline or benchmark than 「規則」.
• Antonym無規則WrittenThe written antonym of 「規則」: lacking any pattern, haphazard and disorderly.

For rules and regulations, 「規則」 is the default choice. In everyday speech, say 「決まり」 or 「ルール」. Use 「規定」 for written provisions or clauses, 「規律」 for group discipline, 「規制」 for restrictions, 「条例」 for local ordinances, and 「法則」 for scientific laws.

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

1. 物事ものごとの一定いっていの決きまり。
2. 成文法せいぶんほうの一いち形式けいしき