1. scowl - Noun
2. scowl - Verb
To wrinkle the brows, as in frowning or displeasure; to put on a frowning look; to look sour, sullen, severe, or angry.
Hence, to look gloomy, dark, or threatening; to lower.
To look at or repel with a scowl or a frown.
To express by a scowl; as, to scowl defiance.
The wrinkling of the brows or face in frowing; the expression of displeasure, sullenness, or discontent in the countenance; an angry frown.
Hence, gloom; dark or threatening aspect.
Source: Webster's dictionaryWear a smile and have friends; wear a scowl and have wrinkles. George Eliot
A smile abroad is often a scowl at home. Alfred, Lord Tennyson
They (preachers) dread the advance of science as witches do the approach of daylight and scowl on the fatal harbinger announcing the subversions of the duperies on which they live. Thomas Jefferson
Magnus wants to shout at me, don't you, Magnus?” (Jace) "Yes,” Magnus said, tearing his eyes away from Alec long enough to scowl. -pg.275. Cassandra Clare
Sky-what a scowl of cloud Till, near and far, Ray on ray split the shroud: Splendid, a star! Robert Browning
Slowly he rose, mechanically wiping his hands upon his cloak. A dark scowl had settled on his somber brow. Yet he made no wild, reckless vow, swore no oath by saints or devils. "Men shall die for this," he said coldly. Robert E. Howard