acquired immunodeficiency syndrome

noun

: aids

Examples of acquired immunodeficiency syndrome in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Yesterday, the Los Angeles County medical examiner revealed that the official cause of Chase’s death was acquired immunodeficiency syndrome (AIDS) with other significant conditions, including chronic polysubstance use. Greg Evans, Deadline, 30 June 2026 On Monday, the Los Angeles County Department of Medical Examiner ruled that Chase's cause of death was acquired immunodeficiency syndrome (AIDS), with chronic polysubstance use noted as a significant condition. Marina Watts, Entertainment Weekly, 30 June 2026 It would later be renamed AIDS, or acquired immunodeficiency syndrome. NBC News, 17 Sep. 2021 The human immunodeficiency virus attacks the body's immune system and can lead to AIDS, acquired immunodeficiency syndrome. Jeannie Roberts, Arkansas Online, 11 Dec. 2020

Word History

First Known Use

1982, in the meaning defined above

Time Traveler
The first known use of acquired immunodeficiency syndrome was in 1982

Browse Nearby Words

Cite this Entry

“Acquired immunodeficiency syndrome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acquired%20immunodeficiency%20syndrome. Accessed 3 Jul. 2026.

Medical Definition

acquired immunodeficiency syndrome

noun
: aids

More from Merriam-Webster on acquired immunodeficiency syndrome

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster