A person who practices or believes in Grundyism; someone excessively concerned with propriety, respectability, or conventional morality.
From Grundyism with the suffix -ist (one who practices or believes in), following the standard English pattern for naming adherents to a doctrine or philosophy.
The -ist suffix turns any philosophy into a person—Grundyist, Socialist, Realist, Communist—which is so common that English speakers instantly know what any '-ist' word means, even if they've never heard it before!
Grundyist carries the same gendered genealogy as grundyism, deriving from the fictional Mrs. Grundy archetype that feminized moral policing and social disapproval.
Use 'moral conformist' or 'social gatekeeper' instead to describe the behavior without the gendered luggage of the Mrs. Grundy archetype.
["moral conformist","social gatekeeper","strict conservative"]
The Mrs. Grundy character remains a cultural repository for projecting female judgment; acknowledge the gendered language when critiquing enforced norms.
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