IPA: /ˈɡroʊɪŋli/
KK: /ˈgroʊɪŋli/
In a way that shows an increase or growth over time.
The problem is growingly complex as more factors are involved.
Growingly → It is formed from "grow" (from Old English "growan", meaning to increase or develop) and "-ingly" (a suffix used to form adverbs indicating manner). The word "growingly" means in a manner that indicates growth or increase.
Think of the word 'grow' which means to increase or develop, and remember that 'growingly' describes doing something in a way that shows this increase.