canker sore

1. 1.

   an ulceration (especially of the lips or lining of the mouth)

   Synonymscanker

   Broaderulcer

Questions about canker sore

What does canker sore mean?

canker sore means "an ulceration (especially of the lips or lining of the mouth)".

What is another word for canker sore?

Close synonyms include canker. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is canker sore a common word?

canker sore is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.