Definition of "belief" in English

noun

1. Mental acceptance of a claim as true.

   • It's my belief that the thief is somebody known to us.

2. Faith or trust in the reality of something; often based upon one's own reasoning, trust in a claim, desire of actuality, and/or evidence considered.

   • My belief is that there is a bear in the woods. Bill said he saw one.
   • Based on this data, it is our belief that X does not occur.

3. (countable) Something believed.

   • The ancient people have a belief in many deities.

4. (uncountable) The quality or state of believing.

   • My belief that it will rain tomorrow is strong.

5. (uncountable) Religious faith.

   • She often said it was her belief that carried her through the hard times.

6. (in the plural) One's religious or moral convictions.

   • I can't do that. It's against my beliefs.