Encara no tenim significats per a "stare impertinently".
1He stuck a long gnawed pencil erect between his finger and thumb, and stared impertinently at Moore.
2"You are not angry?" asked the Duchess, staring impertinently at her victim.
3He stared impertinently at Alzugaray, cast a glance at a newspaper, and set to shouting and talking ill of everything.