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
Mike Tyson’s ulcer flare-up postpones Jake Paul fight.
—
Andrew J. Campa, Los Angeles Times, 2 June 2024
The 57-year-old suffered a medical emergency on a flight from Miami to Los Angeles Sunday due to an ulcer flare up, his representatives said in a statement.
—Rishikesh Rajagopalan, CBS News, 31 May 2024
The heavyweight champion, 57, fell ill earlier this week during a flight from Miami to Los Angeles, becoming nauseous and dizzy due to an ulcer flare-up prior to landing, his representatives said.
—EW.com, 31 May 2024
It’s used in combination with misoprostol, which the FDA has separately approved to treat stomach ulcers.
—Sara Cline, Fortune, 24 May 2024
See all Example Sentences for ulcer 
Andrew J. Campa, Los Angeles Times, 2 June 2024
The 57-year-old suffered a medical emergency on a flight from Miami to Los Angeles Sunday due to an ulcer flare up, his representatives said in a statement.
—Rishikesh Rajagopalan, CBS News, 31 May 2024
The heavyweight champion, 57, fell ill earlier this week during a flight from Miami to Los Angeles, becoming nauseous and dizzy due to an ulcer flare-up prior to landing, his representatives said.
—EW.com, 31 May 2024
It’s used in combination with misoprostol, which the FDA has separately approved to treat stomach ulcers.
—Sara Cline, Fortune, 24 May 2024
See all Example Sentences for ulcer
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Dictionary Entries Near ulcer
Cite this Entry
“Ulcer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ulcer. Accessed 10 Jun. 2024.
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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