convulsion

/kənˈvʌlʃən/
noun
  1. A sudden, violent, uncontrollable movement of the muscles, often caused by illness or shock.
    • The child had a convulsion from the high fever.
    • He went into convulsions after being poisoned.
    • The doctor monitored the patient's convulsions closely.
  2. A sudden and violent disturbance or upheaval, especially in society or nature.
    • The stock market experienced convulsions after the news broke.
    • The country was thrown into convulsions by the revolution.
    • Political convulsions shook the government for months.
Antonyms
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