IPA: /nɪˈɡlɛktfəl.nəs/
KK: /nɪˈɡlɛktfəl/
The quality or state of not giving proper attention or care to something or someone.
His neglectfulness towards his studies led to poor grades.
Neglectfulness → It is formed from "neglect" (from Latin "neglegere", meaning to disregard or not choose) and "-fulness" (meaning the state of being full of). The word "neglectfulness" refers to the state of being full of disregard or lack of attention.
Think of 'neglect' as meaning to 'disregard' something, and '-fulness' indicating a state of being. This helps you remember that 'neglectfulness' is the state of being full of disregard.