Marked by or affected with tremors
Not physically steady or firm
Not plausible or believable
She drew a shaky breath.
She drew in a shaky breath and let it out.
Her first shaky step almost sent her sprawling, and he caught her arm quickly.
Her shaky insides grew warm, her heart racing from fear and his nearness.
She drew a few shaky breaths to calm herself and then touched his face.