pre·​ex·​ist·​ing ˌprē-ig-ˈzi-stiŋ How to pronounce preexisting (audio)
: existing at an earlier time
a preexisting medical condition

Examples of preexisting in a Sentence

Recent Examples on the Web The Heat also wouldn’t be able to use a preexisting trade exception. Anthony Chiang, Miami Herald, 30 June 2024 These health issues have been found in healthy people as well, but the effects are much more serious in those with preexisting conditions. Caralin Nunes, The Arizona Republic, 1 Apr. 2024 People with certain preexisting conditions are more susceptible to black licorice overdose. Bill Sullivan, Discover Magazine, 30 Mar. 2024 Knapton said those who have had a heart attack and those who are at risk of diabetes, caused by age, diet or preexisting conditions, should also have their blood glucose checked as part of regular blood testing. Irene Wright, Miami Herald, 23 Feb. 2024 See all Example Sentences for preexisting 

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

Word History

First Known Use

1599, in the meaning defined above

Time Traveler
The first known use of preexisting was in 1599

Dictionary Entries Near preexisting

Cite this Entry

“Preexisting.” Dictionary, Merriam-Webster, Accessed 17 Jul. 2024.

Medical Definition


pre·​ex·​ist·​ing ˌprē-ig-ˈzi-stiŋ How to pronounce preexisting (audio)
variants or pre-existing
: existing or present earlier or before a certain point of time
In 1990, over 60 percent of group health insurance plans contained exclusions of coverage for preexisting conditions, signifying the denial of benefits for any illness present at the time the insurance is obtained.Thomas Bodenheimer, in The New England Journal of Medicine

More from Merriam-Webster on preexisting

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