shudder

verb

1. (intransitive)To shake nervously, often from fear or horror.

   “On seeing the spider under his pillow, John shuddered.”

   “VVreath'd vp in fatall folds iuſt in his way, / The feare where of doth make him ſhake, & ſhudder, […]”

   “What makes me shudder so? / I shudder and I sigh to think / That even Cicero / And many-minded Homer were / Mad as the mist and snow.”

2. (intransitive)To vibrate jerkily.

noun

1. A shivering tremor, often from fear or horror.

   “Seeing the spider under his pillow gave John a shudder.”

2. A moment of almost pleasurable fear; a frisson.

   “They name thee before me, / ⁠A knell to mine ear; / A shudder comes o'er me— / ⁠Why wert thou so dear?”

   “… and was not that slight tremble, a shudder which went through her young body, when his kiss, glowing and scorching with his wild passion, had dared to touch her tiny ice-cold hand?”