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ENGLISH · A WORD WITH POSSIBILITIES

ulcer.

An open sore of the skin, eyes or mucous membrane, often caused by an initial abrasion and generally maintained by an inflammation and/or an infection.

5 characters2 syllables approx.English language

Meaning & usage

noun/ˈʌlsə/Received-Pronunciation/ˈʌlsɚ/General-American
  1. An open sore of the skin, eyes or mucous membrane, often caused by an initial abrasion and generally maintained by an inflammation and/or an infection.

  2. Peptic ulcer.

  3. Anything that festers and corrupts like an open sore; a vice in character.

    figuratively
Where this word comes from

From Old French ulcere, from Latin ulcus. Doublet of ulcus.

verb/ˈʌlsə/Received-Pronunciation/ˈʌlsɚ/General-American
  1. To ulcerate.

Where this word comes from

From Old French ulcere, from Latin ulcus. Doublet of ulcus.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.