IPA: /ˈmoʊpɪli/
KK: /mopɪli/
In a way that shows sadness or a lack of energy; in a gloomy or sulky manner.
After hearing the bad news, she spoke mopily and avoided eye contact.
The word 'mopily' is derived from 'mopy' (meaning gloomy or dull) with the suffix '-ly' (meaning in a manner of). Thus, 'mopily' describes the manner of being gloomy or dull.
Think of someone acting in a 'gloomy' way ('mopy') — the '-ly' indicates how they are behaving, which helps you remember that 'mopily' means in a gloomy manner.