A 'mumpsimus' is a stubborn person who insists on making an error in spite of being shown that it is wrong. https://t.co/ZxeSqVQr02— Merriam-Webster (@MerriamWebster) September 5, 2019
A 'mumpsimus' is a stubborn person who insists on making an error in spite of being shown that it is wrong. https://t.co/ZxeSqVQr02