IPA: //ˈvæljəntnəs//
KK: /ˈvæljəntnəs/
The quality of being brave and courageous in facing danger or challenges.
Her valiantness in the face of adversity inspired everyone around her.
Valiantness → It is formed from "valiant" (from Old French *valiant*, meaning brave or courageous) and the suffix "-ness" (meaning the state or quality of). The word "valiantness" refers to the state of being brave or courageous.
Think of 'valiant' meaning brave, and remember that 'valiantness' describes the quality of being brave.