Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun shudder

2 senses of shudder

Sense 1
frisson, shiver, chill, quiver, shudder, thrill, tingle -- (an almost pleasurable sensation of fright; "a frisson of surprise shot through him")
       => fear, fearfulness, fright -- (an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight))

Sense 2
tremor, shudder -- (an involuntary vibration (as if from illness or fear))
       => vibration, quiver, quivering -- (the act of vibrating)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb shudder

2 senses of shudder

Sense 1
shiver, shudder -- (shake, as from cold; "The children are shivering--turn on the heat!")
       => move involuntarily, move reflexively -- (move in an uncontrolled manner)

Sense 2
shudder, shiver, throb, thrill -- (tremble convulsively, as from fear or excitement)
       => tremble -- (move or jerk quickly and involuntarily up and down or sideways; "His hands were trembling when he signed the document")