disease

noun

dis·​ease di-ˈzēz How to pronounce disease (audio)
1
: a condition of the living animal or plant body or of one of its parts that impairs normal functioning and is typically manifested by distinguishing signs and symptoms : sickness, malady
infectious diseases
a rare genetic disease
heart disease
2
: a harmful development (as in a social institution)
sees the city's crime as a disease
3
obsolete : trouble

Examples of disease in a Sentence

He suffers from a rare genetic disease. a disease of the mind Thousands die of heart disease each year. They are working to stop the spread of disease in rural areas. The article cites intolerance as one of the most dangerous of society's diseases. He sees crime as a disease that too often plagues the poor and disadvantaged.
Recent Examples on the Web Several decades ago, two New Orleans children developed the same disease: acute lymphoblastic leukemia. USA TODAY, 29 Apr. 2024 Cancer report reveals most common types as one doctor warns of 'gateway' disease. Fox News, 29 Apr. 2024 The New York/Newark metropolitan area has 1.8 million adults with asthma and 370,000 children with the disease, according to the report. Matt Simon, WIRED, 27 Apr. 2024 He was diagnosed with Parkinson’s disease in 1991, which led him to officially retire from acting in 2020. TIME, 26 Apr. 2024 Also known as atopic dermatitis, this chronic skin disease affects about 1 in 5 children in the industrialized world. Ian Myles, Discover Magazine, 26 Apr. 2024 According to the National Children’s Cancer Society, one in four families of children with cancer loses over 50% of their income due to disruptions stemming from the disease. Greg Hanlon, Peoplemag, 25 Apr. 2024 Wildlife rehabilitators and other experts say bacterial and viral diseases that affect pigeons—and can spread quickly in dense urban populations—also threatened Flaco. Lauren Oster, Smithsonian Magazine, 17 Apr. 2024 Two years ago, the EU imposed requirements including additional refrigeration of incoming fruit from South Africa, the world’s biggest exporter of the produce after Spain, to combat incidences of Citrus Black Spot, a fungal disease that leaves dark spots on fruit. Antony Sguazzin, Fortune Europe, 16 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'disease.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English disese, from Anglo-French desease, desaise, from des- dis- + eise ease

First Known Use

14th century, in the meaning defined at sense 3

Time Traveler
The first known use of disease was in the 14th century

Dictionary Entries Near disease

Cite this Entry

“Disease.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disease. Accessed 2 May. 2024.

Kids Definition

disease

noun
dis·​ease diz-ˈēz How to pronounce disease (audio)
: an abnormal bodily condition of a living plant or animal that interferes with functioning and can usually be recognized by signs and symptoms : illness
diseased adjective

Medical Definition

disease

noun
dis·​ease diz-ˈēz How to pronounce disease (audio)
: an impairment of the normal state of the living animal or plant body or one of its parts that interrupts or modifies the performance of the vital functions, is typically manifested by distinguishing signs and symptoms, and is a response to environmental factors (as malnutrition, industrial hazards, or climate), to specific infective agents (as worms, bacteria, or viruses), to inherent defects of the organism (as genetic anomalies), or to combinations of these factors : sickness, illness

called also morbus

compare health sense 1
diseased adjective

More from Merriam-Webster on disease

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