Mumpsimus (n)
mump-si-mus
A traditional custom or idea adhered to although shown to be unreasonable.
A person who obstinately adheres to old customs or ideas in spite of evidence that they are wrong or unreasonable
Example sentences
“Oh she’s such a mumpsimus, she’d still have you believe getting wet gives you a cold. ”
“It doesn’t matter how much science proves itself, he holds on to the mumpsimus of the Earth being flat.”

Word of the Day – Quinate
September 16, 2025
Word of the Day – Quinate
Word of the Day - Quinate (noun) kwy-nayt

Word of the Day – Prattle
September 15, 2025
Word of the Day – Prattle
Word of the Day - Prattle (verb) prat-l

Word of the Day – Hooey
September 14, 2025
Word of the Day – Hooey
Word of the Day - Hooey (interjection) (noun) hoo-ee

Word of the Day – Favonian
September 13, 2025
Word of the Day – Favonian
Favonian (adj) fav-oh-nee-un Of or relating to the west wind./ Mild or favorable; propitious. 1650–60;…

Word of the Day – Stymie
September 12, 2025
Word of the Day – Stymie
Word of the Day - Stymie (verb) stim-ee

Word of the Day – Mugwump
September 11, 2025
Word of the Day – Mugwump
Word of the Day - Mugwump (noun) mug-wump