Webster 1913 Edition
The quality or state of being pert.
Webster 1828 Edition
1.Sauciness; forward promptness or boldness; implying less than effrontery or impudence.
Pertness and ignorance may ask a question in three lines, which it will cost learning and ingenuity thirty pages to answer.
2.Petty liveliness; sprightliness without force,dignity or solidity.
There is in Shaftsbury's works a lively pertness and a parade of literature.