ulcerated; ulcerating
Definition of ulcerate
: to affect with or as if with an ulcer
: to become affected with or as if with an ulcer
Test Your Vocabulary
Which Word Does Not Belong?
-
- Which of these words does not mean "nonsense"?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share ulcerate
Time Traveler for ulcerate
The first known use of ulcerate was in the 15th century
See more words from the same century