shakier

1. inclined to shake as from weakness or defectExamples: "a rickety table"; "a wobbly chair with shaky legs"; "the ladder felt a little wobbly"Synonyms: rickety, shaky, wobbly, wonky

2. vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breezeExamples: "a quaking bog"; "the quaking child asked for more"; "quivering leaves of a poplar tree"Synonyms: shaky, shivering, trembling

3. not secure; beset with difficultiesExamples: "a shaky marriage"Synonyms: precarious, shaky