Re: definitions

Cambridge:

dogma
noun
DISAPPROVING
a fixed, esp. religious, belief or set of beliefs that people are expected to accept without any doubts
This is an action born of dogma rather than good sense. [U]
Are the churches locked into their separate dogmas? [C]

dogmatic
adjective
DISAPPROVING
If someone is dogmatic, they are certain that they are right and that everyone else is wrong.
Theirs is one of the most dogmatic political parties in Europe.

dogmatically
adverb
DISAPPROVING
He was dogmatically strict about rules and regulations.

dogmatism
noun [U]
DISAPPROVING
There is a note of dogmatism in the book (=The writer states their opinions too strongly and does not accept any others).

dogmatist
noun [C]
DISAPPROVING
A dogmatist is a person who holds their opinions too strongly.
Many dogmatists won't even consider recent developments.