mindmap root((怒容)) frown implies a stern face and contracted brows that express concentration, bewilderment, anger, displeasure, or contempt: the teachers ~ed on my boyish pranks. scowl suggests a similar expression that conveys bad humor, sullenness, or resentful puzzlement: a grumpy old man who ~ed habitually. glower implies a direct defiant brooding stare or glare as in contempt or defiance: the natives merely ~ed at the invading tourists. lower suggests a menacing darkness or gloomy anger and refers either to persons or to skies that promise bad weather: ~ed as he went about his work, never uttering a word.