IPA: /ˈsʌlənli/
KK: /sʌlənli/
In a way that shows a gloomy or sulky attitude, often with a lack of enthusiasm or cheerfulness.
He sullenly walked away from the argument, refusing to speak.
**Sullenly** → It is formed from "sullen" (from Middle English *solen*, meaning gloomy or morose) and the adverbial suffix "-ly" (meaning in a manner of). The word "sullenly" describes the manner of being gloomy or morose.
Think of someone acting in a gloomy way — the root 'sullen' means gloomy, and '-ly' indicates the manner. This helps you remember that 'sullenly' means to behave in a gloomy manner.