IPA: /ˈstɔːl.wɔːrt.nəs/
KK: /ˈstɔl.wɚt.nəs/
The quality of being loyal, strong, and determined in supporting something or someone.
Her stalwartness in defending her beliefs inspired others to stand up for what they believed in.
Stalwartness → It is formed from "stalwart" (from Middle English *stalworth*, meaning strong and brave) and the suffix "-ness" (meaning the state or quality of). The word "stalwartness" refers to the quality of being strong and brave.
Think of the word 'stalwart' which means strong and brave, and remember that 'stalwartness' describes the state of being strong and brave.