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

• ventriloquizes
• ventriloquizing
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• Venture Air Scout
• venture capital
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• venture capital trust
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• venturer
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• Venture Scout
• Venture Sea Scout
• venturesome
• venturesomely