Meaning of nervous
Definition of nervous
(adj)
easily agitated; "a nervous addict"; "a nervous thoroughbred"
causing or fraught with or showing anxiety; "spent an anxious night waiting for the test results"; "cast anxious glances behind her"; "those nervous moments before takeoff"; "an unquiet mind"
of or relating to the nervous system; "nervous disease"; "neural disorder"
unpredictably excitable (especially of horses)