noun Etymology: from a character alluded to in Thomas Morton's Speed the Plough (1798) Date: 1813 one marked by prudish conventionality in personal conduct
MRS. GRUNDY
Meaning of MRS. GRUNDY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012