part of speech: noun

definition 1: the condition of being ill; sickness.

  • Illness swept through the village that year.
  • The bite of some spiders can cause illness.

synonyms: sickness

antonyms: health, wellness

definition 2: a particular disease that can affect many people, or a particular sickness in an individual.

  • Malaria is a serious illness.
  • Because of her illness, she missed two days of school.
  • The man’s illness was difficult to treat, but he finally recovered.

synonyms: ailment, disease, sickness