1. (

• shaking ,
• shakiness ,
• trembling ,
• quiver ,
• quivering ,
• vibration ,
• palpitation ,

) a shaky motion; "the shaking of his fingers as he lit his pipe" ;

1. (

• tremble

) move or jerk quickly and involuntarily up and down or sideways; "His hands were trembling when he signed the document" ;

1. (

• shaky ,
• shivering ,
• trembling

) vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze; "a quaking bog"; "the quaking child asked for more"; "quivering leaves of a poplar tree"; "with shaking knees"; "seemed shaky on her feet"; "sparkling light from the shivering crystals of the chandelier"; "trembling hands" ;