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 – Gauche
July 4, 2026
Word of the Day – Gauche
Word of the Day - Gauche (adj) goh-sh
Word of the Day – Veracity
July 3, 2026
Word of the Day – Veracity
Word of the Day - Veracity (noun) ve-ras-i-tee
Word of the Day – Emblem
July 2, 2026
Word of the Day – Emblem
Word of the Day - Emblem (noun) em-blum
Word of the Day – Semiquincentennial
July 1, 2026
Word of the Day – Semiquincentennial
Word of the Day - Semiquincentennial (noun) se-mee-kwin-sen-tee-nee-al
Word of the Day – Chelp
June 30, 2026
Word of the Day – Chelp
Word of the Day - Chelp (verb) chelp
Word of the Day – Fubsy
June 29, 2026
Word of the Day – Fubsy
Word of the Day - Fubsy (adj) (British) fub-zee