シスター

noun

sister; female sibling

Refers to a female sibling, but in ordinary Japanese 姉 or 妹 is usually used when specifying one's own older or younger sister. シスター feels English-like, translated, or context-dependent in this sense.

• この映えい画がでは、主しゅ人じん公こうが姉あねをシスターと呼よぶ場ば面めんがある。

  In this movie, there is a scene where the main character calls his older sister his sister.

noun

Catholic sister; nun

Religious use for a Catholic sister or nun; often used as a title or form of address in Christian contexts.

See also: 修道女

• 教きょう会かいでシスターに道みちを尋たずねた。

  I asked a sister at the church for directions.

noun

female partner in a homosexual relationship

Specialized slang use for a female partner in a homosexual relationship. It is not the ordinary general word for a girlfriend or partner.

See also: Ｓ (エス)

• 古ふるい隠いん語ごでは、女じょ性せい同どう士しの関かん係けいの相あい手てをシスターと呼よぶことがある。

  In older slang, a partner in a relationship between women may be called a sister.