crisis (EN)
noun

noun “crisis”

sg. crisis, pl. crises
  1. a period of great danger or trouble
    The company faced a financial crisis and had to decide whether to lay off employees or declare bankruptcy.
  2. (in medicine) a critical moment during an illness when it suddenly becomes clear whether the patient will start to get better or not survive
    The doctor explained that the patient's fever breaking was a sign of the crisis.
  3. the peak of a problem, bad situation, or illness
    The doctor said the illness had finally passed its crisis.
  4. (in psychology) a significant and stressful event or change that disrupts a person's normal life
    After losing his job, John went through a personal crisis and needed support from his friends.