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

• moorburn
• moorburns
• moorbuzzard
• moorbuzzards
• moorcock
• moorcocks
• moored
• Moorery
• Moore's law
• Mooress
• moorfowl
• moor grass
• moorhen
• moorhens
• moorier
• mooriest
• moorill
• moorills
• mooring
• mooring mast
• mooring masts
• moorings
• moorish
• Moorish
• Moorish Idol