IPA: /ˈseɪnt.lɪ.nəs/
KK: /ˈseɪntlinəs/
The quality or state of being very holy or virtuous, often associated with saints.
Her saintliness inspired many people in the community to lead better lives.
Saintliness → It is formed from "saint" (from Latin *sanctus*, meaning holy or sacred) and "-ness" (meaning the state or quality of). The word "saintliness" refers to the quality or state of being holy or saintly.
Think of 'saint' meaning holy, and '-ness' indicating a state. This helps you remember that 'saintliness' is the state of being holy.