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Synonyms

canker sore

American  

noun

Pathology.
  • canker sores
    plural
  1. an ulceration of a mucous membrane, especially of the mouth.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of canker sore

First recorded in 1905–10

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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:

But Hegseth is as popular in Congress as a canker sore on a first date.

From Salon ● Oct. 9, 2026

As humans, we are nothing if not fascinated by our own bodies, whether that’s picking a scab, prodding a canker sore or popping a pimple.

From Los Angeles Times ● Feb. 21, 2024

We hadn’t thought much about this until last night when she mentioned that the canker sore outbreak started while she had COVID-19.

From Seattle Times ● Dec. 6, 2023

Instead of launching systemic reforms that could help head off moral injury, they’re offering “wellness solutions” such as massages and meditation tips, which can amount to putting a Band-Aid on a canker sore.

From Scientific American ● Sep. 19, 2022

Jesse’s feelings about Leslie’s father poked up like a canker sore.

From "Bridge to Terabithia" by Katherine Paterson

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