IPA: /ˈhæpləsli/
KK: /ˈhæpləsli/
In a way that shows bad luck or misfortune; unfortunately.
She haplessly tripped over her own feet during the dance.
Haplessly → It is formed from "hap" (from Old Norse *happ*, meaning chance or fortune) and "-less" (meaning without). The word "haplessly" means without fortune or by chance, often in an unfortunate manner.
Think of 'hap' as relating to chance or fortune, and remember that 'haplessly' means lacking good fortune.