v. 1 startle, surprise, stagger, jar, jolt, shake (up), stun, numb, paralyse, daze, stupefy, dumbfound or dumfound, bowl over, appal, astonish, astound, frighten, scare, petrify, traumatize, horrify, outrage, disgust, nauseate, repel, revolt, sicken, upset, disquiet, disturb, perturb, discompose, unsettle, Colloq throw, US throw for a loop, flabbergast, give (someone) a turn He shocked us when he announced his resignation We were shocked to learn of the train wreck.
n. 2 trauma, stupor, paralysis, prostration, breakdown, collapse, nervous exhaustion He is in a state of shock after the accident 3 surprise, thunderbolt, bolt from the blue, bombshell, revelation, shocker, eye-opener, jolt It came as a shock to learn whom I had been talking to so casually The death of her husband was a terrible shock. 4 tingle, jolt, impact You'll get a nasty shock if you touch those wires