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Definition of ulcer

ulcer

/ˈʌl.sɚ/
ul · cer
Adverb:ulcerously
•
Plural:ulcers
•
Adjective:ulcerous
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ulcer Lexical Profile

ulcer Game Scores & Validity

• noun

1

An open sore on an external or internal surface of the body, caused by a break in the skin or mucous membrane that fails to heal.

Example

"The gastroenterologist prescribed medication to treat the patient's stomach ulcer."

2

A persistent, corrupting, or festering condition or influence in society or an organization.

Example

"Widespread bribery had become a festering ulcer within the municipal administration."

Synonyms
View all synonyms for ulcer

• Rhymes for ulcer

• Nearby Words

ukulele
ulaanbaatar
ulan-ude
ulcer
ulex
ulluco
ulm

Word Origin & Etymology

Borrowed in the late 14th century from Old French ulcere, directly from Latin ulcus (stem ulcer-), meaning 'a sore' or 'an open wound,' which is cognate with Ancient Greek helkos of the same meaning.

Cite this Entry

Wordmom. (2026). Definition of Ulcer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/ulcer
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