Symptom

noun
  1. A physical or mental feature that is regarded as indicating a condition of disease, particularly such a feature that is apparent to the patient. noun
    A fever is a common symptom of many infections.
    The patient reported symptoms of dizziness and nausea.
  2. A sign of the existence of something, especially of an undesirable situation. noun
    The rise in crime is a symptom of a larger social problem.
    Economic instability can be a symptom of poor governance.