帝国・帝國|ていこくteikoku[0]heiban (flat)
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- nounempire
- nounEmpire of Japan
- SynonymエンパイアNeutralLoanword for 'empire'; rare, and mostly seen in proper names. In everyday Japanese 「帝国」 is the normal choice, as in 「ローマ帝国」.
- Antonym共和国きょうわこくNeutralThe opposite of 「帝国」 in form of government: a republic with no monarch, as in 「フランス共和国」.
Use 「帝国」 for a state ruled by an emperor or a regime governing many peoples and territories, as in 「大日本帝国」 and 「帝国主義」. 「エンパイア」 is a rare loanword mostly in proper names; the antonym 「共和国」 is a republic without a monarch.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


