noun

disease

dih-ZEEZ/dɪˈziːz/

A condition that harms the health or normal functioning of a living organism.

The clinician examines a patient showing signs of disease.

A visibly ill young adult with a widespread spotted rash and a fatigued posture is examined by a clinician, making bodily disease concrete rather than depicting generic discomfort.
Etymology

Literally a lack of ease or comfort, disease once covered discomfort, distress, and trouble generally. Its meaning narrowed to the bodily or mental conditions associated with illness.

In context

Norton Healthcare0:23
three common symptoms of Parkinson's disease are muscle stiffness and rigidity slowness of movement
Are All Hand Tremors Parkinson’s Disease? Identifying Parkinson’s Signs and Symptoms

More examples

  • The disease damaged the tree's leaves.
  • Researchers studied how the disease spread.
  • Several diseases can affect the same crop.

Forms

disease · diseases

diseased adjective — Affected by disease.

Similar words

illness
The state or experience of being unwell.
disorder
An abnormal condition that need not be called a disease.