The Collaborative International Dictionary of English v.0.48:

Ulcerate \Ul"cer*ate\, v. i. [imp. & p. p. Ulcerated; p. pr. &
   vb. n. Ulcerating.] [L. ulceratus, p. p. of ulcerare, fr.
   ulcus ulcer.]
   To be formed into an ulcer; to become ulcerous.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ulcerated \Ul"cer*a`ted\, a.
   Affected with, or as with, an ulcer or ulcers; as, an
   ulcerated sore throat.
   [1913 Webster]

WordNet (r) 3.0 (2006):

ulcerated
    adj 1: having an ulcer or canker [syn: cankerous, ulcerated,
           ulcerous]

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "ulcerated":
   bad, cankered, carious, contaminated, corrupt, decayed, decomposed,
   diseased, festering, foul, gangrened, gangrenous, gone bad,
   infected, morbid, mortified, necrosed, necrotic, pathological,
   peccant, poisoned, putrefied, putrescent, putrid, rotten, rotting,
   septic, sphacelated, spoiled, suppurating, suppurative, tainted,
   ulcerous