Translation guide
The English word 'kingdom' can refer to a political realm ruled by a monarch, a biological classification, or a spiritual domain. This guide covers how to express these meanings naturally in Japanese.
A country or territory ruled by a king or queen.
The standard term for a kingdom as a political entity. Used for historical and modern kingdoms.
イギリスは王国です。
The United Kingdom is a kingdom.
その王国は長い歴史を持っています。
That kingdom has a long history.
Loanword from English, used mainly in fantasy contexts, game titles, or as a proper noun. Not used for real-world kingdoms.
「キングダム」という漫画が人気です。
The manga 'Kingdom' is popular.
The highest taxonomic rank in biology, above phylum.
The scientific term for kingdom in biology. Used in contexts like animal kingdom, plant kingdom.
動物界には多くの種が含まれます。
The animal kingdom includes many species.
菌界はカビやキノコを含みます。
The fungi kingdom includes molds and mushrooms.
The realm or rule of God, or a spiritual domain.
Used in Christian contexts to refer to the Kingdom of God. Often appears in prayers and hymns.
御国が来ますように。
Thy kingdom come.
Literally 'God's country/kingdom', a more explicit phrase for the Kingdom of God.
Means 'heaven' or 'paradise'. Sometimes used to refer to the kingdom of heaven, but not a direct equivalent of 'kingdom'.
天国 is more 'heaven' than 'kingdom'. Use only when the context is clearly about the afterlife paradise.
An area or sphere in which something is dominant.
Means 'world' and is commonly used figuratively for a domain or realm, e.g., the animal kingdom, the kingdom of dreams.
彼は夢の世界に住んでいる。
He lives in a dream kingdom.
動物の世界は多様性に富んでいる。
The animal kingdom is rich in diversity.
Means 'territory' or 'domain', used in more abstract or academic contexts.
王国 (おうこく) is the standard term for a political kingdom. キングダム is a loanword used mainly in entertainment titles or fantasy settings. Avoid using キングダム for real countries.
サウジアラビアは王国です。
Saudi Arabia is a kingdom.
ゲーム「キングダムハーツ」
Game 'Kingdom Hearts'
In biology, 'kingdom' is 界 (かい), not 王国. 王国 would be misunderstood as a political entity.
The kingdom of God is near.
天国は心の貧しい人たちのものです。
The kingdom of heaven belongs to the poor in spirit.
それは未知の領域だ。
That is an unknown kingdom.