妃殿下|ひでんかhidenka[2]nakadaka (mid-high)

1. nounprincess; Her Royal Highness

• Synonym妃ひFormalSame word as 「后」 above, also written 「妃」: the consort of an emperor, king or prince, used without the honorific 「殿下」.
• Related姫ひめNeutralA general word for a princess or girl of noble birth, also used affectionately; unlike 「妃殿下」, it is not an honorific for an imperial consort.
• Related皇女こうじょFormalFormal term for the emperor's daughter — a daughter, not a consort, so it cannot replace 「妃殿下」.
• Related姫君ひめぎみWrittenWritten word for the daughter of a noble family, found mainly in classical literature.
• Related后きさきFormalFormal, rather archaic word for the wife of an emperor or feudal lord; an empress or queen consort.
• RelatedプリンセスNeutralLoanword for a princess or a prince's consort, with a Western, fairy-tale flavor.
• Related王女おうじょNeutralA king's daughter; used especially of foreign royalty, so it does not fit an imperial consort.
• Related姫御前ひめごぜんFormalFormal address for the daughter of a daimyo or other noble, now heard mostly in period dramas.
• Related内親王ないしんのうFormalThe formal title for the emperor's daughter, as in 「愛子内親王」 — a daughter's title, not a consort's.
• Relatedお姫様おひめさまNeutralColloquial honorific of 「姫」; the usual word for fairy-tale princesses, and figuratively a pampered, sheltered girl.

「妃殿下」 is the honorific for the consort of a male imperial family member, as in 「秋篠宮妃殿下」. For the emperor's daughter say 「内親王」; for a foreign princess, 「王女」 or 「プリンセス」; for a fairy-tale princess, 「お姫様」. 「姫」 is the general word for a princess or noble girl; 「后」, also written 「妃」, is an older word for a royal consort.

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

1. 皇族こうぞくの女性じょせいで、皇帝こうていや国王こくおうの妻つま、または皇族こうぞくの女性じょせい王族おうぞくに対たいする敬称けいしょう。