IPA: /məˈroʊzli/
KK: /mɔˈroʊsli/
In a way that shows sadness or a lack of hope; in a gloomy manner.
He looked morosely out the window, lost in his thoughts.
Morosely → It is formed from "morose" (from Latin *morosus*, meaning peevish or sulky) and the suffix "-ly" (meaning in a manner of). The word "morosely" means in a sulky or gloomy manner.
Think of someone acting in a 'sulky' way ('morose') — the '-ly' just means in that manner. This helps you remember that 'morosely' describes how someone behaves when they are gloomy.