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Definitions

ulcer

[uhl-ser] / ˈʌl sər /
NOUN
an internal or external sore
Synonyms


NOUN
inflammatory condition
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If, say, you’ve had a stomach ulcer, the bot would recommend a painkiller that’s easy on the gut.

From The Wall Street Journal • Apr. 4, 2026

While misoprostol, which is commonly prescribed for ulcer prevention, can be used alone for abortions, it is less effective and less safe than when it’s used in combination with mifepristone.

From Salon • Feb. 9, 2026

Over a lifetime, as many as one in three people with diabetes may experience a foot ulcer.

From Science Daily • Jan. 20, 2026

Laura was given only a 30% chance of surviving that long after her diagnosis in 2019, after having an ulcer on her tongue which wouldn't go away.

From BBC • May 30, 2025

Root felt the ulcer in his gut begin to bubble like a volcano.

From "Artemis Fowl" by Eoin Colfer