1. (adj)chill, shivering a sensation of cold that often marks the start of an infection and the development of a fever Synonyms: shivering, shudder, tingle, chill, iciness, shiver, quiver, thrill, gelidity, pall, frisson Antonyms: steady
2. (adj)shaky, shivering, trembling vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze Synonyms: wonky, shivering, shaky, precarious, wobbly, rickety, trembling Antonyms: steady