1. the quality or state of being convulsive; characterized by sudden, violent, involuntary movements or spasms
Usage: abstract noun derived from the adjective 'convulsive'; commonly used in medical and physiological contexts
2. the quality of being sudden and violent in effect or impact; turbulent or disruptive nature
Usage: figurative use, applied to events, emotions, or social phenomena

Examples

• The convulsiveness of his movements suggested a serious neurological condition.
• The patient's convulsiveness during the seizure alarmed the medical team.
• The convulsiveness of the political upheaval destabilized the entire region.
• She described the convulsiveness of her laughter as uncontrollable.
• The convulsiveness of the earthquake caused widespread damage.
• His convulsiveness when startled was a lifelong habit.
• The convulsiveness of market fluctuations made investors nervous.