adjective
valiant
VAL-ee-unt/ˈvæliənt/
Brave and determined in danger or difficulty
The valiant rescuer braces against the flood to pull a woman to safety.

Etymology
The underlying idea is being strong or worthy. Applied to people facing danger, that strength became courage and steadfastness rather than merely physical power.
In context
He mounted on the gallows high, valiant in the sight of many, when he would ransom mankind
More examples
- They made a valiant effort.
- Her valiant defense held the attackers back.
- The team remained valiant despite its losses.
Forms
valiant
valiantly adverb — with courage and determination