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Synonyms

cold sore

American  

noun

cold sores plural
  1. a vesicular eruption on the face, usually on or near the mouth, often accompanying a cold or a febrile condition; herpes simplex.


cold sore British  

noun

  1. Technical name: herpes labialis.  a cluster of blisters at the margin of the lips that sometimes accompanies the common cold, caused by a viral infection

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of cold sore

First recorded in 1905–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It can be caused by a number of viruses - including HSV-1, also known as the cold sore virus.

From BBC Apr. 12, 2026

If I run out and miss a day or two, I get slight tingling and even a small cold sore.

From Seattle Times Feb. 7, 2024

The prospect of suffering “post-infective syndrome” after a bout of flu or a cold sore doesn’t send people into a protective bubble, he added.

From Los Angeles Times May 11, 2023

"Pastina is the cure for any cold, sore throat or sniffle," Ali Abene Dahlhaus wrote on Facebook.

From Salon Jan. 11, 2023

I sleep that night on their sofa, and by the next night, I’m back in the apartment, warming my fingers and soaking my cold, sore feet.

From "The Light in Hidden Places" by Sharon Cameron

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