mouthwash: meaning, definition, pronunciation and examples
B2Neutral to Informal
Quick answer
What does “mouthwash” mean?
A liquid antiseptic solution used for rinsing the mouth, typically to freshen breath, kill germs, or promote oral hygiene.
Audio
Pronunciation
Definition
Meaning and Definition
A liquid antiseptic solution used for rinsing the mouth, typically to freshen breath, kill germs, or promote oral hygiene.
Any liquid preparation designed for oral rinsing, including medicated versions for specific conditions. Can be used metaphorically to describe something that superficially cleanses or freshens without addressing underlying issues.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning. The word 'mouthrinse' is a more formal/technical synonym slightly more common in American professional contexts.
Connotations
Neutral in both. Associated with daily personal care routines.
Frequency
Equally common in both varieties.
Grammar
How to Use “mouthwash” in a Sentence
use [mouthwash]rinse/gargle with [mouthwash][mouthwash] contains fluorideVocabulary
Collocations
Examples
Examples of “mouthwash” in a Sentence
verb
British English
- 'Mouthwash' is not standard as a verb. Use 'rinse with mouthwash' or 'use a mouthwash'.
American English
- 'Mouthwash' is not standard as a verb. Use 'gargle with mouthwash'.
adverb
British English
- Not applicable. No adverbial form.
American English
- Not applicable. No adverbial form.
adjective
British English
- The mouthwash sample provided a cooling sensation.
- She prefers a mouthwash flavour that isn't too medicinal.
American English
- He grabbed a mouthwash bottle from the pharmacy shelf.
- The mouthwash ingredient list was clearly labelled.
Usage
Meaning in Context
Business
In marketing for personal care products; 'The new mouthwash segment shows strong growth.'
Academic
In dentistry or public health studies; 'The efficacy of chlorhexidine mouthwash was evaluated.'
Everyday
Discussing daily routines; 'Don't forget to use mouthwash after brushing.'
Technical
In dental prescriptions or product formulations; 'The mouthwash's pH and alcohol content are critical factors.'
Vocabulary
Synonyms of “mouthwash”
Vocabulary
Antonyms of “mouthwash”
Watch out
Common Mistakes When Using “mouthwash”
- Using it as a verb (e.g., 'I mouthwashed' is non-standard). Confusing it with 'mouthpiece' or 'mouthful'. Spelling as two words ('mouth wash').
FAQ
Frequently Asked Questions
It is primarily an uncountable (mass) noun (e.g., 'I need some mouthwash'). It becomes countable when referring to different types or brands (e.g., 'Compare these three mouthwashes').
No, it is not standard. Use phrases like 'rinse with mouthwash' or 'use mouthwash' instead.
In everyday usage, they are synonyms. However, in professional dental contexts, 'mouthrinse' is a broader term for any oral rinse, while 'mouthwash' often implies a cosmetic product for freshening breath. Therapeutic 'mouthrinses' may have specific medicinal claims.
Yes, people sometimes spell it as two separate words ('mouth wash') or hyphenate it ('mouth-wash'). The standard spelling is as a single, closed compound: 'mouthwash'.
A liquid antiseptic solution used for rinsing the mouth, typically to freshen breath, kill germs, or promote oral hygiene.
Mouthwash is usually neutral to informal in register.
Mouthwash: in British English it is pronounced /ˈmaʊθwɒʃ/, and in American English it is pronounced /ˈmaʊθwɑːʃ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “It's just a mouthwash solution (metaphor: a superficial fix).”
Learning
Memory Aids
Mnemonic
Think: You WASH your MOUTH with it. MOUTH + WASH = mouthwash.
Conceptual Metaphor
CLEANLINESS IS MORAL PURITY / A superficial fix is a cosmetic rinse.
Practice
Quiz
Which of the following is the LEAST likely context for the word 'mouthwash'?