a. [ Compar. nervier superl. nerviest. ] 1. Strong; sinewy. “His nervy knees.” Keats. [ 1913 Webster ]
2. Offensively bold or presumptuous; insolent; cheeky; pushy. [ PJC ]
3. Exhibiting courage or daring; bold; plucky. [ PJC ]
4. Nervous{ 6 }; apprehensive; edgy{ 1 }. [ PJC ]