dogmatic
Definition
Asserting opinions in a determined or arrogant manner, as if they were facts. Often implies an unwillingness to consider other viewpoints.
Español Que afirma opiniones de manera determinada o arrogante, como si fueran hechos, frecuentemente mostrando poca disposición a considerar otras perspectivas.
Example
"She dismissed the new evidence with a dogmatic insistence that her theory was the only correct one."