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.”

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Word of the Day – Medley
Medley (noun) med-lee a mixture, especially of heterogeneous elements; hodgepodge; jumble. First recorded in 1300–50;…

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Word of the Day – Hincty
Word of the Day - Hincty (adj) hink-tee

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Word of the Day – Melee
Word of the Day - Melee (noun) mel-ey

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Word of the Day – Fulciment
Word of the Day - Fulciment (noun) (archaic) ful-si-ment

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Word of the Day – Dubitation
Word of the Day - Dubitation (noun) (Archaic) doo-bit-ay-shun

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Word of the Day – Numen
Word of the Day - Numen (noun) noo-men