Monotheistic means believing that there is only one God.

In a bit more detail:

  • A monotheistic religion teaches that there is just one supreme divine being, not many different gods.
  • Well-known monotheistic religions include Judaism, Christianity, and Islam.
  • This is the opposite of polytheistic belief, where people believe in many gods.

So if someone is described as monotheistic, it means their faith centers on one single God rather than a whole group of deities.

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