preexisting
adjective
pre·ex·ist·ing
ˌprē-ig-ˈzi-stiŋ 
: existing at an earlier time
a preexisting medical condition
Examples of preexisting in a Sentence
Recent Examples on the Web
However, there were a few preexisting brands such as Youth to the People and Jessica Alba’s Honest Beauty, both of which launched in 2015, followed by Summer Fridays in 2018.
—
Kaleigh Werner, Footwear News, 27 June 2025
Stan Kasten was inserted as team president, but preexisting general manager Ned Colleti and manager Don Mattingly maintained their posts all the way through the 2014 season.
—Jack Harris, Los Angeles Times, 19 June 2025
Individuals with preexisting fatigue are more likely to have a TIA or a stroke, meaning fatigue is more likely to be found in those who have had a TIA or stroke than in the general population.
—Tom Gavin, EverydayHealth.com, 14 May 2025
These limited effects were more common in people with preexisting ulceration or when salt solutions were administered at the same time as a hydrogen peroxide rinse.2
Benefits of Gargling with Peroxide
Hydrogen peroxide is a clear, colorless liquid compound with no odor.
—Anna Giorgi, Verywell Health, 12 May 2025
See All Example Sentences for preexisting
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Kaleigh Werner, Footwear News, 27 June 2025
Stan Kasten was inserted as team president, but preexisting general manager Ned Colleti and manager Don Mattingly maintained their posts all the way through the 2014 season.
—Jack Harris, Los Angeles Times, 19 June 2025
Individuals with preexisting fatigue are more likely to have a TIA or a stroke, meaning fatigue is more likely to be found in those who have had a TIA or stroke than in the general population.
—Tom Gavin, EverydayHealth.com, 14 May 2025
These limited effects were more common in people with preexisting ulceration or when salt solutions were administered at the same time as a hydrogen peroxide rinse.2
Benefits of Gargling with Peroxide
Hydrogen peroxide is a clear, colorless liquid compound with no odor.
—Anna Giorgi, Verywell Health, 12 May 2025
See All Example Sentences for preexisting
Cite this Entry
“Preexisting.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/preexisting. Accessed 15 Jul. 2025.
Copy CitationMedical Definition
preexisting
adjective
pre·ex·ist·ing
ˌprē-ig-ˈzi-stiŋ
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
Thomas Bodenheimer, in The New England Journal of MedicineLove words? Need even more definitions?
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