1
: a break in skin or mucous membrane with loss of surface tissue, disintegration and necrosis of epithelial tissue, and often pus
2
: something that festers and corrupts like an open sore
ulcer
verb
Examples of ulcer in a Sentence
Recent Examples on the Web
Autopsy found Foard died because of an ulcer Foard was found dead in the jail on Aug. 17, 2023, six days after he was arrested.
—
Colleen Slevin, Denver Post, 22 July 2025
Experts recommend consuming no more than 400 mg of caffeine daily, and people with severe hypertension, anxiety, epilepsy, stomach ulcers, or pregnancy may need to cut back further.
—Md Published, Verywell Health, 19 July 2025
Venous Insufficiency Treatment Reducing swelling is critical in preventing ulcers and worsening disease.
—Judy Stone, Forbes.com, 18 July 2025
Diabetic foot ulcers can be slow to heal and prone to recurring.
—Paul McClure 02, New Atlas, 2 June 2025
See All Example Sentences for ulcer
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Colleen Slevin, Denver Post, 22 July 2025
Experts recommend consuming no more than 400 mg of caffeine daily, and people with severe hypertension, anxiety, epilepsy, stomach ulcers, or pregnancy may need to cut back further.
—Md Published, Verywell Health, 19 July 2025
Venous Insufficiency Treatment Reducing swelling is critical in preventing ulcers and worsening disease.
—Judy Stone, Forbes.com, 18 July 2025
Diabetic foot ulcers can be slow to heal and prone to recurring.
—Paul McClure 02, New Atlas, 2 June 2025
See All Example Sentences for ulcer
Cite this Entry
“Ulcer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ulcer. Accessed 7 Aug. 2025.
Copy CitationKids Definition
ulcer
noun
ul·cer
ˈəl-sər 
: a slow-healing open sore in which tissue breaks down
Medical Definition
ulcer
1 of 2 noun
ul·cer
ˈəl-sər
: a break in skin or mucous membrane with loss of surface tissue, disintegration and necrosis of epithelial tissue, and often pus
a stomach ulcer
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