balk

Example:When the professor announced the late penalty, he flinched in anticipation of his failing grade.

Definition:to shrink back involuntarily, especially from pain, shock, or disgust.

Example:He wince when the nurse touched his injection site.

Definition:to grimace due to physical pain or a sudden striking.

Example:She felt compelled to step back and shrink from the dangerous situation.

Definition:to feel or show a reluctance to face or do something.