from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An extremely conventional or priggish person.
After Mrs. Grundy, character alluded to in the play Speed the Plough by Thomas Morton (1764-1838), British playwright.(American Heritage® Dictionary of the English Language, Fourth Edition)
And people glibly think of you as Mr. and Mrs. Grundy now, almost as a unit: but do you really know very much about that woman whose gentle breathing -- for we will not crudely call it snoring -- you can always hear at will o 'nights?