1
: characterized or caused by ulceration
ulcerous lesions
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Alice has become a dark cloud for Kerry, a constant pre-ulcerous stomachache.
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Leslie Kendall Dye, Longreads, 10 Aug. 2020
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Leslie Kendall Dye, Longreads, 10 Aug. 2020
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“Ulcerous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ulcerous. Accessed 18 Jul. 2025.
Copy CitationMedical Definition
ulcerous
adjective
ul·cer·ous
ˈəls-(ə-)rəs 
1
: characterized or caused by ulceration
ulcerous lesions
2
: affected with an ulcer
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