1‘the bleakness of his gaze unnerved her’
demoralize, discourage, dishearten, dispirit, deject, daunt, cow, alarm, frighten, unman, dismay, distress, disconcert, discompose, perturb, upset, discomfit, take aback, unsettle, disquiet, jolt, startle, fluster, agitate, shake, ruffle, throw, throw off balance, put someone off their stroke, cause someone to lose their composure, confound, panic, stupefy, stun
informal rattle, faze, put into a flap, throw into a tizz, discombobulate, shake up
British informal put the wind up
We take a look at several popular, though confusing, punctuation marks.