disease

[dih-zeez]

noun

1. a disordered or incorrectly functioning organ, part, structure, or system of the body resulting from the effect of genetic or developmental errors, infection, poisons, nutritional deficiency or imbalance, toxicity, or unfavorable environmental factors; illness; sickness; ailment.

   Synonyms: malady, disorder, infirmity, indisposition, distemper, derangement, complaint, morbidity
   Antonyms: health

2. any abnormal condition in a plant that interferes with its vital physiological processes, caused by pathogenic microorganisms, parasites, unfavorable environmental, genetic, or nutritional factors, etc.

3. any harmful, depraved, or morbid condition, as of the mind or society.

   His fascination with executions is a disease.

4. decomposition of a material under special circumstances.

   tin disease.

verb (used with object)

diseased, diseasing 

1. to affect with disease; make ill.

   Antonyms: cure

disease

/ dɪˈziːz /

noun

1. any impairment of normal physiological function affecting all or part of an organism, esp a specific pathological change caused by infection, stress, etc, producing characteristic symptoms; illness or sickness in general

2. a corresponding condition in plants

3. any situation or condition likened to this

   the disease of materialism

Other Word Forms

• diseasedly adverb
• diseasedness noun

Word History and Origins

Origin of disease¹

First recorded in 1300–50; Middle English disese, from Anglo-French dese(a)se, disaise; dis- ¹ + ease

Word History and Origins

Origin of disease¹

C14: from Old French desaise; see _dis- ¹ , _ease

Example Sentences

But it means many people with conditions such as diabetes, heart disease, respiratory illneses, asthma and severe mental illness will no longer qualify.

From BBC

Smoking is linked to many diseases, including cancer.

From BBC

After Leo's death from Parkinson's disease, she faced life alone.

From BBC

Their work is being used to develop new treatments for autoimmune diseases and cancer.

From BBC

Former England captain Lewis Moody has been backed to tackle motor neurone disease with "every ounce of his strength" by former team-mate and fellow Rugby World Cup winner Will Greenwood.

From BBC

Related Words

• Cancer 
• bug 
• condition 
• contamination 
• defect 
• disorder 
• epidemic 
• fever 
• flu 
• illness 
• infection 
• inflammation 
• malady 
• plague 
• sickness 
• stroke 
• syndrome 
• virus