flinch 
/ˈflɪntʃ/ verb
flinch·es; flinched; flinch·ing /ˈflɪntʃ/ verb [no obj] 1 : to move suddenly because you are afraid of being hit or hurt
▪ He flinched when I tapped him on the shoulder. 2 : to show fear : to hesitate from doing something unpleasant or dangerous
▪ She met danger without flinching. ▪ The bill was much higher than expected, but he paid it without flinching. — often + at or from ▪ He didn't flinch at paying the bill. ▪ She never flinched from danger.
▪ He flinched when I tapped him on the shoulder.
▪ She met danger without flinching. ▪ The bill was much higher than expected, but he paid it without flinching. — often + at or from ▪ He didn't flinch at paying the bill. ▪ She never flinched from danger.
— flinch noun [singular]
▪ She met danger without a flinch.
▪ She met danger without a flinch.
