canker sore: meaning, definition, pronunciation and examples
Mid-frequencyPredominantly medical/informal. The term is understood by most native speakers but is not part of everyday conversation unless discussing the ailment.
Quick answer
What does “canker sore” mean?
A small, painful ulcer inside the mouth, typically on the inside of the lip, cheek, or under the tongue.
Audio
Pronunciation
Definition
Meaning and Definition
A small, painful ulcer inside the mouth, typically on the inside of the lip, cheek, or under the tongue.
Can be used metaphorically for any persistent, irritating, or corrosive minor problem.
Dialectal Variation
British vs American Usage
Differences
In American English, 'canker sore' is the standard term. In British English, 'mouth ulcer' or, more specifically, 'aphthous ulcer' is more common.
Connotations
In the US, 'canker sore' is the neutral, everyday term. In the UK, 'canker sore' may sound slightly more medical or American to some ears.
Frequency
Far more frequent in American English than in British English, where 'mouth ulcer' dominates.
Grammar
How to Use “canker sore” in a Sentence
to have a canker soreto be suffering from a canker soreto get/develop a canker soreVocabulary
Collocations
Examples
Examples of “canker sore” in a Sentence
verb
British English
- Not typically used as a verb.
American English
- Not typically used as a verb.
adverb
British English
- Not typically used as an adverb.
American English
- Not typically used as an adverb.
adjective
British English
- Not typically used as an adjective.
American English
- Not typically used as an adjective.
Usage
Meaning in Context
Business
Rare, unless in a personal context: 'I'll need to reschedule the lunch meeting; I've got a terrible canker sore.'
Academic
Used in medical or dental contexts: 'The study examined the efficacy of laser treatment on aphthous ulcers.'
Everyday
Common when discussing minor health complaints: 'Ugh, I can't eat anything spicy; I have a canker sore.'
Technical
Specific to medicine/dentistry: 'Recurrent minor aphthous stomatitis presents with one to five small, painful ulcers.'
Vocabulary
Synonyms of “canker sore”
Strong
Neutral
Weak
Vocabulary
Antonyms of “canker sore”
Watch out
Common Mistakes When Using “canker sore”
- Confusing it with 'cold sore' (герпес). Misspelling as 'cancer sore'. Using it as a verb incorrectly (e.g., 'My mouth is cankering').
FAQ
Frequently Asked Questions
No. Canker sores are inside the mouth and are not contagious. Cold sores are caused by the herpes virus, appear on the outer lips, and are contagious.
The exact cause is unknown, but they can be triggered by stress, minor mouth injury, acidic foods, vitamin deficiencies, or hormonal changes.
Yes, treatments focus on pain relief and reducing healing time. They include over-the-counter gels, mouthwashes, and avoiding spicy/acidic foods.
It is understood but is less common than 'mouth ulcer.' In a UK medical context, 'aphthous ulcer' is the preferred term.
A small, painful ulcer inside the mouth, typically on the inside of the lip, cheek, or under the tongue.
Canker sore is usually predominantly medical/informal. the term is understood by most native speakers but is not part of everyday conversation unless discussing the ailment. in register.
Canker sore: in British English it is pronounced /ˈkæŋkə ˌsɔː/, and in American English it is pronounced /ˈkæŋkɚ ˌsɔr/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Like a canker sore (used to describe something persistent and irritating, e.g., 'That problem keeps coming back like a canker sore.')”
Learning
Memory Aids
Mnemonic
Think: CAN't eaT well because of a sore = CANKER SORE. 'Canker' sounds like 'cancer,' but it's much less serious and is located in the mouth.
Conceptual Metaphor
A SMALL, PAINFUL PROBLEM IS A SORE / CORROSION IS A CANKER.
Practice
Quiz
Which term is most specific and synonymous with 'canker sore'?