Definition from Wiktionary, the free dictionary
Alternative forms 
- (philosophy, medicine) Adhering only to principles which are true a priori, rather than truths based on evidence or deduction.
- Pertaining to dogmas; doctrinal.
- Asserting dogmas or beliefs in a superior or arrogant way; opinionated, dictatorial.
asserting beliefs in an arrogant way
dogmatic m and n