Translation guide
The belief in a single, all-powerful god. In Japanese, this is most commonly expressed with the term 一神教, but depending on context, other expressions may be used.
Referring to the religious doctrine or belief system of one god.
The standard term for monotheism as a category of religion. Used in academic, theological, and everyday contexts.
キリスト教は一神教です。
Christianity is a monotheistic religion.
一神教と多神教の違いについて話し合った。
We discussed the difference between monotheism and polytheism.
Literally 'belief in the one and only god'. Emphasizes the exclusivity of the deity. Slightly more formal or theological.
イスラム教は唯一神信仰に基づいている。
Islam is based on belief in the one and only God.
A more academic or philosophical term for monotheism as a doctrine. Less common in everyday speech.
彼の論文は一神論の歴史を扱っている。
His thesis deals with the history of monotheism.
Using an adjective to describe a faith or belief system.
The adjectival form of 一神教. Used to modify nouns, e.g., 'monotheistic religion'.
ユダヤ教は一神教の宗教です。
Judaism is a monotheistic religion.
An adjective meaning 'monotheistic' in character or nature. Slightly more abstract.
この考え方は一神教的だ。
This way of thinking is monotheistic.
一神教 is the standard, neutral term for monotheism as a religious category. 唯一神信仰 emphasizes the belief in a single, exclusive deity and is often used in theological discussions.
When talking about monotheism in casual conversation, 一神教 is perfectly natural. You can say 「一神教って知ってる？」 (Do you know what monotheism is?).