flinch
verbUK /flɪntʃ/
US /flɪntʃ/
To make a quick little jump or move back because something scared you or hurt a bit.
She flinched when the balloon popped loudly.
OTHER MEANINGS
2. To avoid doing something because you are afraid or unwilling.
He never flinched from telling the truth.
3. A small sudden movement of the body in reaction to fear or pain.
She gave a tiny flinch when the needle went in.
4. To show weakness or fear in a difficult situation.
The team did not flinch under pressure.