un ‧ blink ‧ ing /ʌnˈblɪŋkɪŋ/ BrE AmE adjective literary
if you look at something or someone with unblinking eyes, you look continuously at them without ↑ blink ing (=quickly closing and opening your eyes)
unblinking stare/gaze
His father’s unblinking gaze was fixed on the fire.