PRUDISHLY
prudishly, puritanically
(adverb) in a prudish manner; “she acts prudishly, but I wonder whether she is really all that chaste”
Source: WordNet® 3.1
Etymology
Adverb
prudishly (comparative more prudishly, superlative most prudishly)
In a prudish manner.
Source: Wiktionary
Prud"ish*ly, adv.
Definition: In a prudish manner.
PRUDISH
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