IPA: /ˈlʌmpɪli/
KK: /ˈlʌmpɪli/
In a way that is uneven or has lumps; not smooth or regular.
The cat walked lumpily across the uneven ground.
Lumpily → It is formed from "lump" (from Middle English "lumpe", meaning a mass or clump) and "-ily" (a suffix used to form adverbs indicating manner). The word "lumpily" means in a manner that is clumsy or awkward, resembling a lump.
Think of moving in a way that resembles a 'lump' — that's why 'lumpily' describes a clumsy or awkward manner.