Definition of illness in English:

illness

Syllabification: ill·ness
Pronunciation: /ˈilnis
 
/

noun

A disease or period of sickness affecting the body or mind: he died after a long illness I’ve never missed a day’s work through illness
More example sentences
  • Other viral illnesses include influenza, the common cold, Lassa fever, and ebola.
  • People with excess body fat have a greater risk for such illnesses as diabetes and hypertension.
  • And if you do not cure that sickness, other illnesses will attack and make it weaker.
Synonyms

Definition of illness in:

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Word of the day glee
Pronunciation: glē
noun
great delight