IPA: /ˈluːzɪŋli/
KK: /ˈloʊzɪŋli/
In a way that results in losing something or causing a loss.
The team played losingly, which led to their defeat in the championship.
Losingly → It is formed from "losing" (from the verb "lose", which comes from Old English "losian", meaning to suffer loss or be deprived) and the suffix "-ly" (meaning in a manner of). The word "losingly" means in a manner that involves loss or deprivation.
Think of the word 'lose' and remember that 'losingly' describes doing something in a way that involves loss.