tremulous Synonyms

wavering quaking quavering tremulant trembling shaking timid tottery tottering timorous uncertain vibrating wobbling weak unsteady twittery trembly shuddery wobbly quivery quavery doddery atremble aquiver jumpy jittery tectonic skittish shy frightened fidgety fearful fainthearted diffident cowardly basaltic aspen apprehensive anxious hesitant mousy shuddering shivery shivering shaky seismic quivering quaky palsied palpitating