IPA: /ˈlʌmpɪʃnəs/
KK: /ˈlʌmpɪʃnəs/
The quality or state of being slow, heavy, or clumsy in movement or behavior.
His lumpishness made it difficult for him to keep up with the others during the hike.
Lumpishness → It is formed from "lump" (from Middle English "lumpe", meaning a mass or clump) and the suffix "-ish" (meaning having the quality of) combined with "-ness" (meaning a state or condition). The word "lumpishness" refers to the state of being clumsy or heavy, like a lump.
Think of a 'lump' as something heavy and awkward, and remember that 'lumpishness' describes the quality of being clumsy or heavy like a lump.