floss

F4L1O1S1S1
UK/flɒs/US/flɔs/cot caught merger/flɑs/

noun

A thread used to clean the gaps between the teeth.

“embroidery floss”

Less commonScrabble 8

Meanings

floss1

nounfloss (countable and uncountable, plural flosses)

plural flosses

  1. countableuncountableA thread used to clean the gaps between the teeth.
  2. countableuncountableRaw silk fibres.
  3. countableuncountableThe fibres covering a corncob etc.; the loose downy or silky material inside the husks of certain plants, such as beans.
  4. countableuncountableAny thread-like material having parallel strands that are not spun or wound around each other.

    embroidery floss

  5. UKcountableuncountableSpun sugar or cotton candy, especially in the phrase "candy floss".
  6. countableuncountableA body feather of an ostrich.

    Flosses are soft, and grey from the female and black from the male.

  7. countableuncountableA dance move in which the dancer repeatedly swings their arms, with clenched fists, from the back of their body to the front, on each side.
verbfloss (third-person singular simple present flosses, present participle flossing, simple past and past participle flossed)

present singular third person flosses · participle present flossing · participle past flossed · past flossed

  1. ambitransitiveTo clean the area between (the teeth) using floss.

    I don't floss very often.

    1 more example

    I floss my teeth twice a day.

  2. slangAfrican-American VernacularTo show off, especially by exhibiting one's wealth or talent.

    It's impossible to floss wealth without attracting envy.

    2007, Azie Faison, Agyei Tyehimba, Game Over: The Rise and Transformation of a Harlem Hustler, Simon and Schuster, page 69
    2 more examples

    As the label's name no doubt implies, these rappers aren't your typical crew, even if they still like to floss and represent their city.

    2003, Vladimir Bogdanov, All Music Guide to Hip-Hop: The Definitive Guide to Rap and Hip-Hop, Backbeat Books, page 554

    “Ms. Jackson” is probably the most sensitive—and realistic—take on relationships to come out of hip-hop, while “Red Velvet” cautions would-be playas against pushing the floss envelope around “dirty boys” just waiting for a chance to add some gray flecks to that fur.

    2003, Oliver Wang, Classic Material: The Hip-Hop Album Guide, ECW Press, page 134

    Synonyms: flamboast, high-side, stunt, aura farm, boulevardier, cut a wide swath, cut it fat, cut round

  3. intransitiveTo perform the floss dance move.

floss2

nounfloss (plural flosses)

plural flosses

  1. UKA small stream of water.
  2. Fluid glass floating on iron in the puddling furnace, produced by the vitrification of oxides and earths which are present.

floss3

nounfloss (plural flosses)

plural flosses

  1. Northern EnglandScotlandThe common rush (Juncus effusus).

    Synonyms: common rush, soft rush

FLOSS4

nounFLOSS (uncountable)
  1. abbreviationuncountablecomputingAbbreviation of free/libre/open source software.

    FLOSS has proven to be an extremely valuable tool for accelerating research in various fields of IT and engineering in order to address the needs of society in the future.

    2019, Brian Fitzgerald, Audris Mockus, Minghui Zhou, Towards Engineering Free/Libre Open Source Software (FLOSS) Ecosystems for Impact and Sustainability, Springer, →ISBN, page 121

Synonyms & antonyms

nounThe common rush (Juncus effusus).

More synonyms by meaning

nouna soft thread for cleaning the spaces between the teeth

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

floss · noun, verb

  1. Proto-West Germanic*fleus
  2. Middle English*flos
  3. Proto-Indo-European*plewk-“hair, fibres, tuft”
  4. Proto-Germanic*flukkô“down, piece of wool, flock”
  5. Frankish*flokkō“down, wool, flock”
  6. Latinfloccus“piece of wool”
  7. Old Frenchflosche“down, velvet”
  8. Frenchfloche“tuft of wool”
  9. Englishfloss

Unclear: * Possibly from French floche (“tuft of wool”), from floc, from Old French flosche (“down, velvet”), from Latin floccus (“piece of wool”), probably from Frankish *flokkō (“down, wool, flock”), from Proto-Germanic *flukkô (“down, piece of wool, flock”), from Proto-Indo-European *plewk- (“hair, fibres, tuft”). * Or, from Middle English *flos (attested in Middle English Flosmonger (a surname)), from Proto-West Germanic *fleus, related to English fleece. Cognate with Old High German flocko (“down”), Middle Dutch vlocke (“flock”), Norwegian dialectal flugsa (“snowflake”), Dutch flos (“plush”) (tr=17c.).

Full word history & related roots →

floss · noun

  1. Proto-West Germanic*fleutan
  2. Middle Dutchvlacke“a flat area, plain”
  3. Old Frenchflache
  4. Middle Englishflosche
  5. Englishfloss

From dialectal flosh (“a flush, stream of water, sluice”), from Middle English flosche, flusche, flasche, flaske (“a watery or marshy place, swamp”), perhaps from Old French flache, from Middle Dutch vlacke (“a flat area, plain”), ultimately related to Proto-West Germanic *fleutan. Compare also German Floss (“a float”).

Full word history & related roots →

floss · noun

Origin obscure. Perhaps of North Germanic origin. Compare Norwegian flos, flus (“rind, scale, strip peeled off”).

Full word history & related roots →

Translations

Bulgarian необработена коприна, свила
  • необработена коприна (neobrabotena koprina)silk fibres
  • свила (svila)the fibres covering a corncob etc.
  • захарен памук (zaharen pamuk)spun sugar or cotton candy
Danish floretsilke, råsilke
  • floretsilkesilk fibres
  • råsilkesilk fibres
  • dunthe fibres covering a corncob etc.
  • silkethe fibres covering a corncob etc.
Finnish raakasilkki, kuitu
  • raakasilkkisilk fibres
  • kuituthe fibres covering a corncob etc.
  • kuituany thread-like material having parallel strands
  • hattaraspun sugar or cotton candy
  • purosmall stream
French barbe à papa
  • barbe à papaspun sugar or cotton candy
German Rohseide, Seidenfaser
  • Rohseidesilk fibres
  • Seidenfasersilk fibres
  • Maiskolbenfaserthe fibres covering a corncob etc.
  • Zuckerwattespun sugar or cotton candy
Greek ακατέργαστο μετάξι, μαλλί της γριάς
  • ακατέργαστο μετάξι (akatérgasto metáxi)silk fibres
  • μαλλί της γριάς (mallí tis griás)spun sugar or cotton candy
Hungarian vattacukor, patak
  • vattacukorspun sugar or cotton candy
  • pataksmall stream
  • érsmall stream
Indonesian serat sutra, gulali
  • serat sutrasilk fibres
  • gulalispun sugar or cotton candy
  • gula kapasspun sugar or cotton candy
  • permen kapasspun sugar or cotton candy
Italian zucchero filato
  • zucchero filatospun sugar or cotton candy
Māori wūru huka
  • wūru hukaspun sugar or cotton candy
Portuguese cabelo, usar fio dental
  • cabelothe fibres covering a corncob etc.
  • usar fio dentalTranslations
Russian са́харная ва́та
  • са́харная ва́та (sáxarnaja váta)spun sugar or cotton candy
Spanish usar hilo dental, limpiarse con hilo dental
  • usar hilo dentalTranslations
  • limpiarse con hilo dentalTranslations
Swedish sockervadd
  • sockervaddspun sugar or cotton candy

Rhymes & wordplay

Rhymes with floss

All rhymes →
Cite this entry
APA

floss. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/floss

MLA

“floss.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/floss. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “floss,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/floss.

Source: floss on Wiktionary, CC BY-SA 4.0.