1. (

• convulsive ,
• spasmodic ,
• spastic

) affected by involuntary jerky muscular contractions; resembling a spasm; "convulsive motions"; "his body made a spasmodic jerk"; "spastic movements" ;

2. (

• fitful ,
• spasmodic

) occurring in spells and often abruptly; "fitful bursts of energy"; "spasmodic rifle fire" ;