TREMULOUS

adj. 1 trembling, a-tremble, quivering, shaking, quaking, shivering, shuddering, quavering, hesitant, wavering, unsure, unsteady, faltering, doubtful, nervous, shaky, palpitating, jumpy, Colloq jittery His tremulous hands revealed just how apprehensive he was 2 timid, shy, bashful, anxious, worried, timorous, fearful, afraid, frightened, scared I cannot remember when I felt so tremulous before meeting someone