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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.

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

Harriet Trewhitt, 21, was diagnosed earlier this year after developing a painful ulcer on her tongue.

From BBC • Dec. 6, 2025

An ulcer was named deputy director of the FBI.

From Slate • Mar. 1, 2025

Winston reached down and cautiously scratched his varicose ulcer.

From "1984" by George Orwell