nervous
Cross references: 1. vigorous ner.vous \'n*r-v*s\ aj archaic 1: SINEWY, STRONG 2: marked by strength of thought, feeling, or style : SPIRITED 3: of, relating to, or composed of neurons 4a: of or relating to the nerves; also : originating in or affecte d by the nerves 4b: easily excited or irritated : JUMPY 4c: TIMID, APPREHENSIVE {~ smile} 5a: UNEASY, DISTURBING {~ moment} 5b: ERRATIC, UNSTEADY {~ canoe} - ner.vous.ly av