What is another word for mumpsimus?
Pronunciation: [mˈʌmpsɪməs] (IPA) 
"Mumpsimus" is a word used to describe someone who stubbornly clings to a mistaken belief or practice, even when faced with evidence to the contrary. Synonyms for mumpsimus might include words like "obstinate," "inflexible," or "unyielding," all of which denote an unwillingness to change one's mind even in the face of overwhelming logical or empirical evidence. Other related words might include "dogmatic," "rigid," "closed-minded," or "un-creative," all of which are suggestive of a person who lacks the flexibility or imagination to envision new possibilities or entertain opposing perspectives. Despite their negative connotations, some of these synonyms may have occasional utility in describing a particularly determined or dedicated individual who is deeply committed to a particular cause or belief.
