sickness

/ˈsɪknəs/
noun
  1. The state of being ill or having a disease; a condition that makes you feel unwell.
    • He felt a sudden sickness in his stomach after eating the spoiled food.
    • The sickness spread quickly through the small town.
    • She stayed home from school because of sickness.
  2. A particular type of illness or disease.
    • The doctor diagnosed him with a rare tropical sickness.
    • Motion sickness can make car rides very uncomfortable.
    • Radiation sickness is a serious condition caused by exposure to high levels of radiation.
  3. A feeling of strong disgust or revulsion.
    • The movie's violent scenes caused a sense of sickness in many viewers.
    • The cruelty of the crime filled her with sickness.
    • He felt a wave of sickness when he saw the mess in the kitchen.