1. Having the nature or character of an ulcer; affected with an ulcer or ulcers.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• calcerous,
• acerous,
• buceroes,
• fulgerous,
• ylcerous,
• hlcerous,
• jlcerous,
• ilcerous,
• 8lcerous,
• ulcerius,
• ulcerrous,
• ulcereous,
• ulcerious,
• ulcerus,
• ulcerouss,
• ulserous,
• Alyferous,
• umberous,
• pilgerous,
• Recervous

• ulcerate,
• ulcer.

The adjective form of the word "ulcerous" is "ulcerous".

The plural form of the word "ulcerous" is "ulcerous" as it does not change in the plural form.

The singular form of the word "ulcerous" is "ulcer"