Open English Wordnet
Nouns
(n)jolt, jar, jounce, shocka sudden jarring impact“the door closed with a jolt”,
“all the jars and jolts were smoothed out by the shock absorbers” Verbs
(v)jolt, jarmove or cause to move with a sudden jerky motion (v)joltdisturb (someone's) composure“The audience was jolted by the play”