Word.ws English Dictionary

Plural of mouthwash

regular plural

The plural of mouthwash is mouthwashes.

Forms of mouthwash

Singularmouthwash
Pluralmouthwashes
Countablecountable and uncountable

Mouthwashes in a sentence

  • I've had the opportunity to work on mouthwashes and astringents, catheter antimicrobial treatments, and antimicrobial treatments of other implantables and insertables.2009, Daryl S. Paulson, Applied Biomedical Microbiology: A Biofilms Approach. From the entry implantable
  • Chlorophyl is showing up by the barrelful in beauty lotions, tooth pastes, soaps, chewing gum, mouthwashes, antihalitosis tablets, tobacco and dog food.1952 August, Kiplinger's Personal Finance, volume 6, number 8, page 32. From the entry barrelful

Meaning of mouthwash

  1. noun A liquid used to clean one's mouth.
  2. verb To clean one's mouth with mouthwash.

Full definition of mouthwash

Questions about the plural of mouthwash

What is the plural of mouthwash?
The plural of mouthwash is mouthwashes.
Is mouthwash countable?
Mouthwash is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: mouthwash (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of mouthwash.” Word.ws, https://word.ws/plural/mouthwash. Based on Wiktionary, CC BY-SA 4.0.