IPA: /ˈmoʊn.fəl/
KK: /ˈmoʊn.fəl/
Showing or expressing sadness or sorrow, often in a way that sounds like moaning.
The moanful music filled the room, making everyone feel the weight of their sadness.
Comparative: more moanful
Superlative: most moanful
Moanful is formed from "moan" (from Old English "mōnan", meaning to lament or express sorrow) and "-ful" (meaning full of). The word "moanful" describes a state of being full of moans or expressing sorrow.
Think of someone who is 'full of' ('-ful') 'lamenting' ('moan') — that's why moanful means expressing sorrow.