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Noun: sickness  sik-nus
  1. Impairment of normal physiological function affecting part or all of an organism
    - illness, unwellness, malady
  2. Defectiveness or unsoundness
  3. The state that precedes vomiting
    - nausea

Derived forms: sicknesses

Type of: defectiveness, faultiness, health problem, ill health, symptom, unhealthiness

Encyclopedia: Sickness