Direct Synonyms:
* Unitarianism: This specifically refers to the belief in one God who is not a Trinity (Father, Son, and Holy Spirit).
* Monotheistic: This is the adjective form of monotheism, describing something related to or adhering to the belief in one God.
Related Concepts:
* Belief in one God: This is the most basic definition of monotheism.
* Unitary deity: Emphasizing the singular nature of God.
* Singular divinity: Similar to "unitary deity," emphasizing God's unique and ultimate nature.
Contrasting Terms:
* Polytheism: Belief in multiple gods.
* Pantheism: Belief that God is everything and everything is God.
* Atheism: Disbelief in the existence of any gods.
* Agnosticism: The view that the existence of God is unknown or unknowable.
It's important to note: The meaning of "monotheism" can vary depending on the specific religion and context. For instance, the monotheistic God of Islam is different from the monotheistic God of Judaism or Christianity.