IPA: /ˈprɛərfəl.nəs/
KK: /ˈprɛərfəl/
The quality of being devoted to prayer or having a prayerful attitude.
Her prayerfulness brought a sense of peace to the room.
Prayerfulness → It is formed from "prayer" (from Old French *preiere*, meaning a request or supplication) and "-fulness" (meaning the state of being full of). The word "prayerfulness" means the state of being full of prayer or the quality of being prayerful.
Think of being 'full of prayer' — 'prayer' refers to a request or supplication, and '-fulness' indicates a state of being.