mumpsimus /mumpˈsi-məs/

1. A view or opinion stubbornly held, even when shown to be misguided
2. A person holding such a view, or one adhering stubbornly to old ways

• holophytes
• holophytic
• holophytism
• holophytisms
• holoplankton
• holoplanktons
• holoptic
• Holostei
• holosteric
• Holothuria
• holothurian
• holothurians
• Holothuroidea
• holotype
• holotypes
• holotypic
• holozoic
• holp
• holpen
• hols
• Holstein
• Holsteins
• holster
• holstered
• holstering