Sentence examples for a sullen from inspiring English sources

The phrase "a sullen" is correct and usable in written English.
It can be used as part of a subject or object in a sentence. It typically describes a person, mood, or behavior that is gloomy, sulky, or ill-tempered. Example: She was known for her sullen disposition, rarely speaking and always wearing a scowl. Example: The gray clouds and drizzling rain only added to the sullen atmosphere of the abandoned house. Example: Despite his efforts to cheer her up, she remained sullen and unresponsive.