皇女|こうじょkoujo

1. nounimperial princess

• Synonym内親王ないしんのうFormalThe official title for female imperial family members such as the emperor's daughters; formal, unlike the generic 「皇女」.
• Related姫ひめNeutralRefers to a princess or young lady of noble birth; common in everyday use and also as an endearment; unlike 「皇女」, it is not limited to an emperor's daughters.
• Related姫君ひめぎみWrittenA written, classical term for a daughter of high rank; broader than 「皇女」as it covers noble families, not just the imperial household.
• RelatedプリンセスNeutralA loanword for princess, usable for Western royals and Japanese imperial princesses alike; common in fairy tales and news reports.
• Related王女おうじょNeutralMeans a king's daughter and is mostly used for foreign royal houses, as in 「〜国の王女」; 「皇女」is specifically an emperor's daughter.
• Related姫御前ひめごぜんFormalA formal, honorific way of addressing a noble's daughter; old-fashioned and now found mostly in classical literature.
• Relatedお姫様おひめさまCasualA colloquial honorific for a princess; also used figuratively for a pampered girl who knows no hardship.
• Antonym皇子おうじNeutralAn emperor's son; the male counterpart to 「皇女」.

Historically, an emperor's daughter is 「皇女」, while the official modern title in the Japanese imperial family is 「内親王」. For fairy-tale princesses use 「お姫様」or 「プリンセス」. 「王女」suits a foreign king's daughter, and 「姫」and 「姫君」cover noble daughters more broadly.

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

1. 天皇てんのう・皇帝こうていの娘むすめ。