mumpsimus: Meaning and Definition of
Pronunciation: (mump'su-mus), [key]
— pl. -mus•es
- adherence to or persistence in an erroneous use of language, memorization, practice, belief, etc., out of habit or obstinacy (opposed to sumpsimus).
- a person who persists in a mistaken expression or practice (opposed to sumpsimus).
- mumpsimus (Thesaurus)