quavering Synonyms

tremulous tremors waver wavering warbling warble vibration vibrating vibrate twitching trilling trill weak unsteady wobbling twittery tremulously trembly wobbly quivery quavery doddering aquiver jumpy jittery tremulant tremor quaking palpitation palpitating oscillate nervous jactation faltering decrepit convulsive chirruping chirping quaky quiver tremble trembling shudder shuddering shivery shivering shiver shaky shaking shake