trembles

/ ˈtrɛmbəlz /

noun

1. Also called: milk sickness. a disease of cattle and sheep characterized by muscular incoordination and tremor, caused by ingestion of white snakeroot or rayless goldenrod

2. a nontechnical name for Parkinson's disease

Related Words

• agitation 
• anger 
• disquiet 
• impatience 
• jitters www.thesaurus.com
• sensitivity 
• stage fright 
• stress 
• tension 
• turbulence 
• uneasiness www.thesaurus.com
• worry