What does ulcerous mean?
Ulcerous is a formal medical adjective meaning affected with ulcers or characterized by ulceration. It is especially associated with the condition of tissue in which an ulcer has formed, as in “ulcerous tissue,” and can describe sores or lesions more generally. The word is usually found in clinical, scientific, or formal writing rather than everyday conversation. Its rare figurative use extends the idea of an open sore to suggest something deeply decayed, tainted, or corrupt. Although related in meaning to ulcerative, ulcerous focuses more directly on the presence of ulcers in the affected area, while ulcerative often emphasizes the process or tendency that causes them. Ulcerous is thus most useful when describing an existing condition rather than the formation of ulcers itself.
adjectiveAffected with or characterized by ulcers; ulcerated.
- Affected with or characterized by ulcers.
- Rarely figurative: deeply tainted by corruption or moral decay.
"The patient has ulcerous lesions along the lining of the stomach."
"The wound remained ulcerous despite weeks of treatment."
"The novel presents the political establishment as ulcerous, consumed by corruption from within."
An ulcer is an open sore; ulcerous is the word for what has been marked by one.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does ulcerous come from?
The word is built on the Latin ulcus, meaning “ulcer,” with the adjective-forming suffix -ous. Related English forms such as ulcer, ulcerate, ulceration, and ulcerative continue the same Latin and Greek medical vocabulary. Ulcerous entered English as a medical term describing an ulcerated or ulcer-affected condition, with figurative applications developing later.
Related word forms
How ulcerous is actually used
The usual sense is medical and formal. Figurative uses are uncommon and suggest severe or persistent corruption.
Easily confused with ulcerous
Ulcerous describes tissue affected by ulcers, whereas ulcerative commonly describes a process or condition involving or causing ulcer formation.