shivering

(noun) a sensation of cold that often marks the start of an infection and the development of a fever. Synonyms: chill.

(verb) tremble convulsively, as from fear or excitement. Synonyms: shudder, shiver, throb, thrill.

(verb) shake, as from cold. Synonyms: shiver, shudder. Example: "The children are shivering--turn on the heat!."

(adj) vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze. Synonyms: shaky, trembling. Examples: "A quaking bog." "The quaking child asked for more." "Quivering leaves of a poplar tree." "With shaking knees." "Seemed shaky on her feet." "Sparkling light from the shivering crystals of the chandelier." "Trembling hands."