Without showing fear or indecision; resolutely.(adverb)
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Use "unflinchingly" in a sentence
"To realise the relative validity of one's convictions and yet stand for them unflinchingly, is what distinguishes a civilised man from a barbarian."
"All the designs are there so you can see what worked and what didn’t and the commentary about all the projects in unflinchingly honest without ever being cruel."
"No doubt that Cannes nod (the first of several festival laurels picked up) stirred some controversy, because this is the kind of unflinchingly provocative movie that dares you to be entertained, or appalled, or both."