Synonyms of tremulous

2 Syllables
shakiest, fearful, seismic, shakier, shaky, jerkier, trembling, wobbly, jerky
3 Syllables
aquake, ashake, shivering, turbulent, aflutter, shivery, quavering, timorous, quivering
4 Syllables
jellylike, goose-bumpy, convulsive, palpitating, paroxysmal