shiver

1 an instance of shaking involuntarily with fear or cold the prisoner experienced a sudden shiver when confronted with the sight of the dark basement Synonyms quiver, shudder, tremble Related Words agitation, convulsing, jolt, quake, shake, tremor, vibration, wobble (also wabble); fluctuation, flutter, oscillation, wave; beat, palpitation, pulsation, pulse, throb

2 shivers pl  a sense of panic or extreme nervousness looking down from the window ledge sent shivers up my spine Synonyms butterflies, dither, heebie-jeebies, jimjams, nerves, screaming meemies, shakes, shivers, whim-whams, williesRelated Words cold sweat, creeps, fidgets, goose bumps; agitation, anxiety, fear, hysteria, uneasiness; frazzle, nervous breakdown; edginess, jumpiness, skittishnessNear Antonyms aplomb, calm, composure, equanimity, imperturbability, self-possession, tranquillity (or tranquility)