Lyme disease

noun

ˈlīm- 

: an acute inflammatory disease that is caused by spirochetes (genus Borrelia, especially B. burgdorferi) transmitted by ticks (genus Ixodes and especially I. scapularis), that is usually characterized initially by a spreading red annular erythematous skin lesion and by fatigue, fever, and chills, and that if left untreated may later manifest itself in joint pain, arthritis, and cardiac and neurological disorders

called also Lyme\ ˈlīm \

Examples of Lyme disease in a Sentence

Recent Examples on the Web

No cases of Lyme disease have been reported from contact with blood or a blood transfusion. —Jennifer Welsh Published, Verywell Health, 3 Feb. 2025

This is all frightening enough — and as the hearing revealed, his bogus theories about AIDS, Lyme disease, and a slew of other public health issues make clear Kennedy is no friend of facts or science, and therefore should be utterly disqualified from HHS secretary. —S.e. Cupp, New York Daily News, 29 Jan. 2025

In the hearing, Democratic Senator Michael Bennet of Colorado also brought up Kennedy’s unsubstantiated past statement that Lyme disease was a bioweapon. —Tanya Lewis, Scientific American, 29 Jan. 2025

Another complicating factor: there is no validated medical test for detecting Long COVID, ME/CFS, or similar conditions like chronic Lyme disease, another post-infection illness that remains controversial. —Jamie Ducharme, TIME, 14 Jan. 2025

Word History

Etymology

Lyme, Connecticut, where it was first reported

First Known Use

1979, in the meaning defined above

Kids Definition

Lyme disease

noun

ˈlīm- 

: a serious disease that is caused by a bacterium transmitted by some ticks, that is often characterized at first by a spreading red patch on the skin, and that may result in joint pain and disorders of the heart and nervous system if left untreated

Etymology

from Lyme, Connecticut, where the disease was first reported

Medical Definition

Lyme disease

noun

: an acute inflammatory disease that is usually characterized initially by the skin lesion erythema migrans and by fatigue, fever, and chills and if left untreated may later manifest itself in cardiac and neurological disorders, joint pain, and arthritis and that is caused by a spirochete of the genus Borrelia (B. burgdorferi) transmitted by the bite of a tick especially of the genus Ixodes (I. scapularis synonym I. dammini in the eastern and midwestern United States, I. pacificus especially in some parts of the Pacific coastal states of the United States, and I. ricinus in Europe)

called also Lyme, Lyme borreliosis