nervous nervous /ˈnɝːvəs/

adjective

1. () Easily agitated  ( nervous )
   easily agitated
    A nervous addict
   a nervous addict
    A nervous thoroughbred
   a nervous thoroughbred
   
   
2. () Causing or fraught with or showing anxiety  ( anxious , queasy , uneasy , nervous , unquiet )
   causing or fraught with or showing anxiety
    Spent an anxious night waiting for the test results
   spent an anxious night waiting for the test results
    Cast anxious glances behind her
   cast anxious glances behind her
    Those nervous moments before takeoff
   those nervous moments before takeoff
    An unquiet mind
   an unquiet mind
   
3. Unpredictably excitable (especially of horses)  ( flighty , nervous , skittish , spooky [Informal, N. American] , skittery )
   unpredictably excitable (especially of horses)
   
4. Excited in anticipation  ( aflutter , nervous )
   excited in anticipation
   
5. Of or relating to the nervous system  ( nervous , neural )
   of or relating to the nervous system
    Nervous disease
   nervous disease
    Neural disorder
   neural disorder