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

• rimers
• rimes
• rime suffisante
• rim- fire
• rimier
• rimiest
• riming
• rimless
• rim lock
• rim locks
• rimmed
• rimming
• rimmings
• rimose
• rimous
• rimrock
• rimrocks
• rims
• rim-shot
• rim-shots
• rimu
• rimus
• rimy
• rin
• rind