Keep yourself and your practice safe from fraud. We have found unauthorized uses of EFINs, Electronic Filing Identification Numbers, and PTINs, Preparer Tax Identification Numbers.
Wiktionary (0.00 / 0 votes) Rate this definition: disease (Noun). An abnormal condition of the body or mind that causes discomfort or dysfunction; distinct from injury insofar as the latter is usually instantaneously acquired. The tomato plants had some kind of disease that left their leaves splotchy and fruit withered. disease (Noun). Any abnormal or harmful condition, as of society, people's attitudes, way of living etc. disease (Verb). To cause unease; to annoy, irritate. disease (Verb). To infect with a disease.
LINK / CITE ADD TO WORD LIST. noun. The definition of a disease is an illness or sickness with specific, well-defined symptoms that affects a person, plant or animal. An example of a disease is cancer.isease. 1  any departure from health; illness in general. 2  a particular destructive process in an organ or organism, with a specific cause and characteristic symptoms; specif., an illness; ailment. 3  any harmful or destructive condition, as of society.