IPA: /ˈmoʊpɪŋli/
KK: /ˈmoʊpɪŋli/
In a way that shows sadness or a lack of enthusiasm, often by being quiet and withdrawn.
She walked mopingly around the house after hearing the bad news.
Mopingly → It is formed from "mope" (from Middle English *mopen*, meaning to be dull or sullen) and the suffix "-ly" (meaning in a manner of). The word "mopingly" describes behaving in a dull or sullen manner.
Think of someone acting in a dull or sad way, as if they are 'moping' around — that's why 'mopingly' means to do so in that manner.