"Unflinching" is a word in ENGLISH

adj. /NA-/ pale, pallid, wan; lifeless. v. /-UM-/ [= BUMSAG], to turn pale, pallid, wan; to blench, flinch.

To shrink; to start back; to draw back, from lack of courage or resolution; to flinch; to quail.

One who blenches, flinches, or shrinks back.

dírham - Fear, apprehension, nervousness, perturbation, trepidation, timidity; to be apprehensive, in trepidation or fear, to wince, shrink, flinch, blench, …

To withdraw from any suffering or undertaking, from pain or danger; to fail in doing or perserving; to show signs …

To let the foot slip from a ball, when attempting to give a tight croquet.

The act of flinching.

of Flinch

One who flinches or fails.

of Flinch

In a flinching manner.

To be frightened, and shrink back; to flinch; as, to funk at the edge of a precipice.

hangáwà - Fear, apprehension, misgiving, diffidence, timidity; to be afraid, apprehensive, shy, timid, nervous, daunted, in dread, to boggle at, …

tálaw - Cowardice, pusillanimity, faintheartedness, timidity; to be or become cowardly, discouraged, skittish, to lose courage, quail, flinch, slink, cower, …

túpling - Swaying, faltering, swerving, inclination; to incline sideways, sway, swerve, deviate from the straight path, yield, budge. Sa waláy …

To shrink, as from a blow, or from pain; to flinch; to start back.