PRUDISH

priggish, prim, prissy, prudish, puritanical, square-toed, straitlaced, strait-laced, straightlaced, straight-laced, tight-laced, victorian

(adjective) exaggeratedly proper; “my straitlaced Aunt Anna doesn’t approve of my miniskirts”

Source: WordNet® 3.1

Etymology

Adjective

prudish (comparative more prudish, superlative most prudish)

of excessive propriety; easily offended or shocked, especially by sexual matters

Source: Wiktionary

Prud"ish, a.

Definition: Like a prude; very formal, precise, or reserved; affectedly severe in virtue; as, a prudish woman; prudish manners. A formal lecture, spoke with prudish face. Garrick.

Source: Webster’s Unabridged Dictionary 1913 Edition