国際法|こくさいほうkokusaihou

1. nouninternational law; law of nations
   こうした２国こく間かんの紛争ふんそうは、国際法こくさいほうに従したがって解決かいけつされなければならない。↗

   These disputes between the two nations should be solved in accordance with international law.

• Synonym万国公法ばんこくこうほうFormalFormal and dated: the Meiji-era name for international law. In modern usage 「国際法」 is the word to say.
• SynonymインターナショナルローNeutralA loanword way of saying it, but rarely used; in everyday speech 「国際法」 is the standard choice.
• Antonym国内法こくないほうWrittenWritten/formal prose: law that applies only within a single country; the counterpart opposite to 「国際法」.

For law governing relations between states, say 「国際法」. 「万国公法」 is the formal, old Meiji-era name; 「インターナショナルロー」 is a rarely used loanword; 「国内法」 is the opposite — law within one country.

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

1. 国家間こっかかんの合意ごういに基もとづき、国家間こっかかんの関係かんけいを規定きていする法ほう。