Origin: Latin suffix -ive
Convulsive has 3 different meanings across 1 category:
affected by involuntary jerky muscular contractions; resembling a spasm
"convulsive motions"
"his body made a spasmodic jerk"
"spastic movements"
resembling a convulsion in being sudden and violent
"a convulsive rage"
"convulsive laughter"
Marked by or having the nature of convulsions.