showing a lack of respect for somebody/something in a way that is funny rather than serious synonym mischievous顽童似的;顽皮的;淘气的 an impish grin/look 顽皮的笑脸/表情 He takes an impish delight in shocking the press. 他以震惊新闻界为乐。
Oxford Collocations DictionaryImpish is used with these nouns:- grin