- 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.
- 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.
- any harmful, depraved, or morbid condition, as of the mind or society: His fascination with executions is a disease.
- decomposition of a material under special circumstances: tin disease.
- to affect with disease; make ill.
Origin of disease
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for disease
Without it, they say, the disease would surely kill her within two years.Should Teens Have The Right To Die?
January 8, 2015
He beat his illness twice, wrote about his battles with the disease, and continued broadcasting even as his health was failing.Remembering ESPN’s Sly, Cocky, and Cool Anchor Stuart Scott
January 4, 2015
It was a reminder that, as Beyoncé once sang, “Perfection is the disease of a nation,” and her family is hardly flawless.Yoncé Said Knock You Out: The Solange and Jay Z Story
December 29, 2014
World peace, religious tolerance, and an end to global poverty, hunger, and disease.Santa Fails One More Time
P. J. O’Rourke
December 27, 2014
Despite the obvious ongoing problems with disease and access to basics, the future of Africa is bright.Silicon Valley Sets Its Sights on Africa
December 22, 2014
I found the people corrupted; and I must humour their disease.Philothea
Lydia Maria Child
Some one said the other day, "Ennui is a disease that comes from living on other people's money."The Spenders
Harry Leon Wilson
He had breathed into the atmosphere a subtle malaria, and George had caught the disease.
He looked into his own heart—he was almost afraid to look—and saw the ravages of disease there.
What sort of a disease is it that has taken Mrs. Roberts, do you suppose, to send her there?Ester Ried Yet Speaking
- 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
- a corresponding condition in plants
- any situation or condition likened to thisthe disease of materialism
Word Origin and History for disease
early 14c., "discomfort, inconvenience," from Old French desaise "lack, want; discomfort, distress; trouble, misfortune; disease, sickness," from des- "without, away" (see dis-) + aise "ease" (see ease). Sense of "sickness, illness" in English first recorded late 14c.; the word still sometimes was used in its literal sense early 17c.
- A pathological condition of a body part, an organ, or a system resulting from various causes, such as infection, genetic defect, or environmental stress, and characterized by an identifiable group of signs or symptoms.