Of a sour temper; sullen and austere; ill-humored; severe.
source: Webster 1913
adjective satellite
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. A sour temper. A sullen crowd.