mumpsimus
/ˈmʌmpsɪməs/
noun
- A person who stubbornly clings to an old habit or belief even after being shown it is wrong.
- Don't be a mumpsimus; accept the new evidence and update your views.
- My uncle is a mumpsimus who still insists the earth is flat.
- The old professor was a mumpsimus, refusing to use email in the digital age.
- An unreasonable or stubborn adherence to an outdated custom or error.
- His mumpsimus prevented him from learning the new software.
- The company's mumpsimus about paper records slowed down their work.
- We need to overcome mumpsimus and embrace modern teaching methods.
Synonyms