glowering

showing a brooding ill humor

• “a dark scowl”
• “the proverbially dour New England Puritan”
• “a glum, hopeless shrug”
• “he sat in moody silence”
• “a morose and unsociable manner”
• “a saturnine, almost misanthropic young genius” Bruce Bliven
• “a sour temper”
• “a sullen crowd”