unflinching

adj

Etymology: Etymology tree English un- English flinching English unflinching From un- + flinching.

1. Without flinching; staying committed despite any difficulty; steadfast.

   “Can an honest, upright and Christian man, go into these conflicts, and with unflinching firmness stand up for all that is good, and oppose all that is evil, in whatever party it may be found, without a measure of moral courage such as few can command?”

   “[…] I abandoned myself implicitly to the guidance of my wife, and entered with an unflinching heart into the intricacies of her studies.”