IPA: /ˈniːdfəl.nəs/
KK: /nidfələs/
The quality of being necessary or required.
The needfulness of clean water is essential for health.
Needfulness → It is formed from "need" (from Old English *nēod*, meaning necessity or requirement) and "-fulness" (meaning the state of being full of). The word "needfulness" refers to the state of being full of need or necessity.
Think of 'need' as a necessity and '-fulness' as being full of something. This helps you remember that 'needfulness' means the state of having many needs.