shiver
shiv-er
verb
To shake slightly and uncontrollably, often from cold, fear, or excitement.
"She shivered as the cold wind blew."
noun
A brief, involuntary trembling movement of the body.
"A sudden shiver ran down his back."
Thesaurus
Synonyms: shake, tremble, thrill, throb, shudder, frisson, chill, tingle, quiver