A small, painful ulcer or sore, usually of the mouth.
A recurrent viral infection caused by a herpesvirus, marked by the eruption of fluid-containing vesicles usually on the mouth, lips, and face.
A open sore in the mouth, or rarely a break in the mucous membrane or the epithelium on the lips or surrounding the mouth.
Ulceration of the mouth and lips.
Find another word for cold-sore. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for cold-sore, like: canker-sore, fever blister, herpes labialis, herpes-simplex, lesion, mouth-ulcer, oral herpes and canker.