Professor Culpeper, said: «A thousand or so years ago in Old English, it was fine to use brusqueness which is jaw - dropping from our modern perspective. (politics.co.uk)
When Heath won the leadership, the chief whip, Whitelaw, decided that Prior should be appointed as PPS to the leader of the opposition, believing that his approachable manner would help counter Heath's air of aloof reserve, or «brusqueness amounting to rudeness», as Prior called it. (theguardian.com)
What may appear as brusqueness to you could be a hard working recruiter who is trying to complete her job. (abetterinterview.com)