王妃|おうひouhi[1]atamadaka (head-high)

1. nounqueen (consort); empress (consort)
   王妃おうひは王おうのかたわらに立たっていた。↗

   The queen stood beside the king.

• SynonymクイーンNeutralLoanword for a queen (reigning queen or king's wife) and for the Q card; it does not distinguish a reigning queen from a 「王妃」.
• Synonym王后おうこうWrittenWritten and rather rare; it means a king's legitimate wife and is synonymous with 「王妃」.
• Related皇后こうごうNeutralThe legitimate wife of an emperor or the Japanese emperor; 「王妃」 is used for a king, so the monarch each word refers to differs.
• Related皇妃こうひWrittenWritten word for the consort of an emperor or the Japanese emperor, whereas 「王妃」 is a king's wife; the two differ in the rank of the monarch.
• Related皇后陛下こうごうへいかFormalHonorific title for the empress, used in reporting on the Japanese imperial family; a formal expression.
• Antonym王おうNeutralAntonym: a king or monarch; the counterpart of 「王妃」, which is a king's wife.
• Antonym国王こくおうNeutralAntonym: the king who rules a country; 「王妃」 is his consort, so the two form a pair.

Default: 「王妃」 for a king's wife. An emperor's legitimate wife is 「皇后」, formally 「皇后陛下」 in imperial news; 「皇妃」 is a written word for an emperor's wife, a higher rank. 「王后」 is a rarer written synonym. A reigning queen is 「女王」/「クイーン」. The king is 「王」/「国王」.

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

1. 国王こくおうの妃ひのこと。王后おうこう。
2. 日本にっぽんの皇族こうぞくのうち、王おうの妃ひのこと。