serious, deep, heavy (topic), profound (change), weighty (matter)

state ownership, national ownership

minister

Kingdom of Yemen

(historical) Dahomey (a former country in Africa)

(music) an accordion

(history) the Ottoman Empire

Kyūjitai form of 帝国主義 (“imperialism”)

(obsolete) being surprised twice / (obsolete) more specifically, describes the appearance of a woman who has a beautiful figure from behind but has an ugly face

the language of the country of one's birth / native language, mother tongue, first language