WordWeb Online

1. Easily agitated
   "a nervous addict"; "a nervous thoroughbred"
    
2. Causing or fraught with or showing anxiety
   "those nervous moments before takeoff";
   - anxious, queasy, uneasy, unquiet
    
3. Of or relating to the nervous system
   "nervous disease";
   - neural
    
4. Excited in anticipation
   - aflutter
    
5. Unpredictably excitable (especially of horses)
   - skittish, flighty, spooky [N. Amer], skittery

Sounds like: neighservous

See also: excitable, excited, keyed-up, on edge, tense, troubled, twitchy

Encyclopedia: Nervous Nervous, London