Noun
the trait of behaving like an imp
Source: WordNetFor Gallois the Clarinet Sonata is the most important of the three: he calls it "a masterpiece full of impishness, elegance and discreet lyricism" amounting to "a summary of the rest". Source: Internet
She had a Cockney accent which added to her impishness".sfnsfn First mission Due to the ankle injury, Szabo's first deployment was delayed, but it was during her second course at Ringway that she first met Philippe Liewer (d. c. 1948). Source: Internet