mousse
French, noun
mousse is spelled M-O-U-S-S-E (6 letters) and appears 6.9 times per million words in written French, the 8,831st most frequent French word form (wordfreq, 2021 data). Mousse is a French feminine noun meaning “moss (the plant)” (English Wiktionary, September 2026). It is also a first/third-person singular present indicative/subjunctive of mousser. With an accent, moussé is a different word: “past participle of mousser”. The French Wiktionary (Wiktionnaire) defines it as “Plante rase des lieux humides formant des tapis spongieux composés de plusieurs individus”.
What does mousse mean in English?
adjective
- 1
blunt
noun
- 1
femininemoss (the plant)
- 2
femininebryophyte (in the broad sense)
- 3
femininefoam
- 4
femininemousse (dessert)
noun
- 1
masculinea boy serving on a ship: a cabin boy
verb
- 1
first/third-person singular present indicative/subjunctive
- 2
second-person singular imperative
verb
- 1
past participle of mousser
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Plante rase des lieux humides formant des tapis spongieux composés de plusieurs individus. 2. Amas serré de bulles qui se forme à la surface d’un liquide. 3. Polymère solidifié sous la forme de micro-bulles, à la consistance spongieuse et élastique. 4. Matériau alvéolaire.
noun: 1. Jeune marin.
noun: 1. Excrément.
adjective: 1. Qui est émoussé, qui a perdu son tranchant, en parlant d’une lame. 2. Dont les bords, les arêtes, les contours, sont arrondis.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of mousse
- mousses plural
- moussée feminine
- moussés masculine plural
- moussées feminine plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
English words that translate to mousse
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is mousse in French?
mousse appears 6.9 times per million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).