core belief

noun
UK /kɔː bɪˈliːf/
US /kɔːr bɪˈliːf/

A core belief is a big idea you feel sure is true deep inside you.

Being kind to others is a core belief she has held since she was little.


OTHER MEANINGS

2. In psychology, a deeply held assumption that shapes how a person sees themselves and the world.

The therapist helped him identify a core belief that he was not good enough.

3. A central idea that a group or organization is built on.

Honesty is a core belief of the whole team.

4. A firm idea someone holds that is very hard to change.

Her core belief that hard work pays off guided every choice she made.