Showing neither fear nor indecision; resolute.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "unflinching" in a sentence
"As far as Slaughter is concerned, that is her ultimate riposte to those who think she should show more decorum when detailing every violation in unflinching detail."
"In the face of attack by African troops and a Bofors gun or a showdown with the African leader of the revolt, he proves his mettle in unflinching, steely style."
"Sanctuary focuses on the small details of the everyday lives of these folks in unflinching detail."