Translation guide
A diadem is a jeweled crown or headband worn as a symbol of royalty. In Japanese, it is usually expressed with words for crown or ornamental headpiece, depending on context.
A jeweled crown or ornamental headband worn by a monarch or deity.
General word for crown, including diadems. Most common and widely understood.
A jeweled or ornamental band worn around the head, not necessarily a full crown.
Loanword for tiara, often used for a jeweled headband worn by women at formal events. Closest to diadem in modern usage.
王冠 is the standard word for crown, including diadems. 冠 is more traditional and often used in historical or Shinto contexts. ティアラ specifically refers to a jeweled headband, often for women, and is the most direct equivalent for a modern diadem.
王冠は国王の象徴だ。
A crown is a symbol of the king.
冠をかぶる儀式
a ceremony of putting on a crown
女王は美しい王冠をかぶっていた。
The queen wore a beautiful diadem.
Traditional Japanese word for crown or coronet, often used in historical or ceremonial contexts.
神話の女神は金の冠をつけている。
The goddess in the myth wears a golden diadem.
Literally 'treasure crown', used for jeweled crowns in formal or religious contexts. Less common in everyday speech.
その宝冠はダイヤモンドで飾られていた。
The diadem was adorned with diamonds.
彼女は結婚式でティアラをつけた。
She wore a diadem at her wedding.
Generic term for headdress, can include diadems. More fashion-oriented.
そのヘッドドレスは真珠でできていた。
The diadem was made of pearls.
Tiaras are popular with brides.