Disease-Illness | Commonly Confused Words
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Disease vs. Illness

Disease

/dɪˈziːz/
A condition that negatively affects the body or mind, making it unable to work normally

Examples:

She caught a disease last winter.Doctors are searching for a cure for this disease.

Synonyms:

Antonyms:

Illness

/ˈɪlnəs/
A state of poor health usually caused by disease or sickness

Examples:

His illness kept him in bed for days.Taking time off work helped her recover from illness.

Synonyms:

Antonyms:

Ways to tell them apart:

etymology
  • A disease is a specific condition with identifiable symptoms and its own set of causes.
  • Illness is a broader concept that refers to the subjective feeling of being unwell.
  • Disease can be measurable and diagnosable, whereas illness is more subjective and personal.
  • Think of disease as the medical condition diagnosed by a doctor and illness as how that condition feels.
  • Not all illnesses are linked to specific diseases; sometimes you feel ill due to other factors like stress.
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