Sullen (adjective) : gloomily or resentfully silent or repressed, suggesting a sullen state : lowering
The Shawl by Louise Erdrich
“Her name was Aanakwad, which means cloud, and like a cloud she was changeable. She was moody and sullen one moment, her lower lip jutting and her eyes flashing, filled with storms.”
In this story, the women whose name is Aanakwad is very bad-tempered women. Her mood changes very quickly from good mood to bad mood. However, her husband loves her no matter who she is but he is also afraid of her when she gets angry.