Being certain that your beliefs are right and that others should accept them, without paying attention to evidence or other opinions.
Inclined to lay down principles as undeniably true.
There is a danger of becoming too dogmatic about teaching methods. (Oxford)
He has written a stimulating but dogmatic book. (Cambridge)
danger of becoming too dogmatic
stimulating but dogmatic
Opinionated
Peremptory
Open-Minded
Tentative
Dogmatically