Composure, self-possession or imperturbability especially when in a dangerous situation(noun)
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Use "sangfroid" in a sentence
"The question for entrepreneurs — at whom this book, with its admirable sangfroid, is aimed — is: Why do some New Luxury products explode, while others belly-flop harder than a plunging Cadillac Cimarron?"
"In the weeks and months following Laird's arrival, Padnos watched as Laird developed a kind of sangfroid in his new role as a criminal."
"Wilson should not be ignorant, as he really would have been, of this timely service on the part of Mesty, who certainly, although with a great deal of "sangfroid" in his composition when in repose, was a fiend incarnate when his blood was up."