'nervier' definitions:

Definition of 'nervier'

From: GCIDE

nervy \nerv"y\ (n[~e]rv"[y^]), a. [Compar. nervier (n[~e]rv"[i^]*[~e]r); 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]