合衆国・合州国|がっしゅうこくgasshuukoku[3]nakadaka (mid-high)

1. nounfederation; federal state
2. nounUnited States of America
   合衆国がっしゅうこくでは２億１６００万におくいちろくれいれいまん丁ちょうもの鉄砲てっぽう類るいが、民間みんかんの手てにあるという。↗

   In the U.S., as many as 216 million firearms are said to be in private hands.

• SynonymＵＳＡユー・エス・エーNeutralEnglish abbreviation for the US, common at sporting events and on product labels.
• Synonym米国べいこくWrittenKanji abbreviation for the US, standard in news reports and official documents, as in 「米国大統領」.
• Synonymアメリカ合衆国アメリカがっしゅうこくFormalThe full official name of the country, used in diplomacy, law and other formal settings.
• RelatedアメリカWrittenA kanji spelling of 「アメリカ」, rare today; katakana is the everyday choice. 「合衆国」 appears in formal country names and explanations of federal systems.
• RelatedＵＳユー・エスNeutralEnglish abbreviation for the US, common on signs and in sports contexts; in everyday speech, say 「アメリカ」.
• RelatedＵ．Ｓ．NeutralDotted form of the English abbreviation; refers to the US and is common in documents and on signs.
• RelatedＵ．Ｓ．Ａ．NeutralDotted abbreviation for the United States of America, used in documents.

Use 「アメリカ」 in everyday speech, 「米国」 in news and official writing, and 「アメリカ合衆国」 for the full name in diplomacy or law. 「合衆国」 alone means the US or a federal state; the abbreviations US, U.S., U.S.A. and USA appear on signs, in documents and in sports.

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

1. 複数ふくすうの州しゅうからなる連邦れんぽう。
2. (特とくに) アメリカ合衆国あめりかがっしゅうこく。